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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Reaction products of 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid, coupled twice with diazotized 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts
EC Number:
701-365-5
CAS Number:
17095-24-8
Molecular formula:
C26H25N5O19S6.4Na
IUPAC Name:
Reaction products of 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid, coupled twice with diazotized 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • Reaction product of 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid sodium salt and diazotized 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
  • Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
  • tetrasodium 4-amino-5-hydroxy-3,6- bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7- disulphonate
  • 241-164-5
  • 241-164-5
  • 701-365-5
  • previous EC number 241-164-5
  • 17095-24-8
  • 701-365-5
  • C.I. Reactive Black 5
  • Everzol SR28
  • 241-164-5
    (EC Number)
    C10H9NO7S2.C8H11NO6S2.Na
    (Molecular formula)

    Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazen-1-yl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phen-1-yl) diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5Na3O15S5
    IUPAC Name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazen-1-yl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phen-1-yl) diazenyl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    trisodium 4-amino-6-[(E)-2-[4-(ethenesulfonyl)phenyl]diazen-1-yl]-5-hydroxy-3-[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5O15S5.3Na
    IUPAC Name:
    trisodium 4-amino-6-[(E)-2-[4-(ethenesulfonyl)phenyl]diazen-1-yl]-5-hydroxy-3-[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    trisodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2-sulfonate
    Molecular formula:
    C26H22N5O16S5.3Na
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2-sulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium 2-[(4-aminophenyl)sulfonyl]ethyl sulfate
    CAS Number:
    15764-73-5
    Molecular formula:
    C8H10NNaO6S2
    IUPAC Name:
    Sodium 2-[(4-aminophenyl)sulfonyl]ethyl sulfate
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 7
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 8
    Chemical structure
    Reference substance name:
    Sodium nitrate
    EC Number:
    231-554-3
    EC Name:
    Sodium nitrate
    CAS Number:
    7631-99-4
    Molecular formula:
    NO3Na
    IUPAC Name:
    sodium nitrate
    Constituent 9
    Reference substance name:
    not available
    Molecular formula:
    not available
    IUPAC Name:
    not available
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    282-084-0
    EC Name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    84100-03-8
    Molecular formula:
    C18H17N3O13S4.3Na
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4-chloroaniline
    EC Number:
    203-401-0
    EC Name:
    4-chloroaniline
    CAS Number:
    106-47-8
    Molecular formula:
    C6H6ClN
    IUPAC Name:
    4-chloroaniline
    Constituent 2
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 5
    Reference substance name:
    unkown impurity
    IUPAC Name:
    unkown impurity
    Constituent 6
    Reference substance name:
    Sodium 2-((4-aminophenyl)sulfonyl)ethyl sulfate
    IUPAC Name:
    Sodium 2-((4-aminophenyl)sulfonyl)ethyl sulfate
    Constituent 7
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-6-[[4-[(2-hydroxyethyl)sulfonyl]phenyl]diazenyl]-3-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    IUPAC Name:
    Trisodium 4-amino-5-hydroxy-6-[[4-[(2-hydroxyethyl)sulfonyl]phenyl]diazenyl]-3-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    Constituent 8
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[(2-hydroxyethyl)sulfonyl]phenyl]diazenyl]-6-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    IUPAC Name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[(2-hydroxyethyl)sulfonyl]phenyl]diazenyl]-6-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    Constituent 9
    Reference substance name:
    Trisodium 4-amino-6-[[4-(ethenylsulfonyl)phenyl]diazenyl]-5-hydroxy-3-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    IUPAC Name:
    Trisodium 4-amino-6-[[4-(ethenylsulfonyl)phenyl]diazenyl]-5-hydroxy-3-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    Constituent 10
    Reference substance name:
    Trisodium 4-amino-3-[[4-(ethenylsulfonyl)phenyl]diazenyl]-5-hydroxy-6-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    IUPAC Name:
    Trisodium 4-amino-3-[[4-(ethenylsulfonyl)phenyl]diazenyl]-5-hydroxy-6-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]diazenyl]naphthalene-2,7-disulfonate
    Constituent 11
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy) ethyl]sulfonyl}phenyl) diazenyl] naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5Na3O15S5
    IUPAC Name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy) ethyl]sulfonyl}phenyl) diazenyl] naphthalene-2,7-disulfonate
    Constituent 3
    Reference substance name:
    Unknown constituent
    Molecular formula:
    Not applicable (Unknown constituent)
    IUPAC Name:
    Unknown constituent
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 2
    Reference substance name:
    inorganic impurities
    IUPAC Name:
    inorganic impurities
    Constituent 3
    Reference substance name:
    other organic constituents
    IUPAC Name:
    other organic constituents
    Constituent 4
    Chemical structure
    Reference substance name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-5-hydroxy-3-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H22N5O16S5Na3
    IUPAC Name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-5-hydroxy-3-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    Reaction mass of Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-3-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl] naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5O15S5Na3
    IUPAC Name:
    Reaction mass of Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-3-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl] naphthalene-2,7-disulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 5-amino-4-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C18H14N3O13S4Na3
    IUPAC Name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 5-amino-4-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazen-1-yl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phen-1-yl) diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5Na3O15S5
    IUPAC Name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazen-1-yl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phen-1-yl) diazenyl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 4
    Reference substance name:
    Unknown impurities
    IUPAC Name:
    Unknown impurities
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(p-aminophenyl)sulphonyl]ethyl hydrogensulphate
    EC Number:
    219-669-7
    EC Name:
    2-[(p-aminophenyl)sulphonyl]ethyl hydrogensulphate
    CAS Number:
    2494-89-5
    Molecular formula:
    C8H11NO6S2
    IUPAC Name:
    2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate
    Constituent 2
    Chemical structure
    Reference substance name:
    4-amino-5-hydroxy-3-((4-(2- (sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7- disulfonic acid AND/OR 5-amino-4-hydroxy-3-((4-(2- (sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7- disulfonic acid
    Molecular formula:
    C18H17N3O13S4
    IUPAC Name:
    4-amino-5-hydroxy-3-((4-(2- (sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7- disulfonic acid AND/OR 5-amino-4-hydroxy-3-((4-(2- (sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7- disulfonic acid
    Constituent 3
    Chemical structure
    Reference substance name:
    4,5-dihydroxy-3-((4-(2- (sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7- disulfonic acid
    Molecular formula:
    C18H16N2O14S4
    IUPAC Name:
    4,5-dihydroxy-3-((4-(2- (sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7- disulfonic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    unknown
    Molecular formula:
    unknown
    IUPAC Name:
    unknown
    Constituent 5
    Chemical structure
    Reference substance name:
    4-amino-5-hydroxy-3,6-bis((4-(2-(sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid
    Molecular formula:
    C26H25N5O19S6
    IUPAC Name:
    4-amino-5-hydroxy-3,6-bis((4-(2-(sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid
    Constituent 6
    Chemical structure
    Reference substance name:
    4-amino-5-hydroxy-3-((4-(2-hydroxyethylsulfonyl)phenyl)diazenyl)-6-((4-(2-(sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid AND/OR 4-amino-5-hydroxy-6-((4-(2-hydroxyethylsulfonyl)phenyl)diazenyl)-3-((4-(2-(sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid
    Molecular formula:
    C26H25N5O16S5
    IUPAC Name:
    4-amino-5-hydroxy-3-((4-(2-hydroxyethylsulfonyl)phenyl)diazenyl)-6-((4-(2-(sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid AND/OR 4-amino-5-hydroxy-6-((4-(2-hydroxyethylsulfonyl)phenyl)diazenyl)-3-((4-(2-(sulfooxy)ethylsulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid
    Constituent 7
    Chemical structure
    Reference substance name:
    unknown name
    Molecular formula:
    C26H25N5O19S6
    IUPAC Name:
    unknown name
    Constituent 8
    Reference substance name:
    unknown constituent
    Molecular formula:
    unknown
    IUPAC Name:
    unknown constituent
    Constituent 9
    Chemical structure
    Reference substance name:
    unknown constituent: see remark
    Molecular formula:
    C26H23N5O15S5
    IUPAC Name:
    unknown constituent: see remark
    Constituent 10
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 11
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 12
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 13
    Chemical structure
    Reference substance name:
    4-chloroaniline
    EC Number:
    203-401-0
    EC Name:
    4-chloroaniline
    CAS Number:
    106-47-8
    Molecular formula:
    C6H6ClN
    IUPAC Name:
    4-chloroaniline
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Reaction products of 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid, coupled twice with diazotized 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts
    EC Number:
    701-365-5
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    Reaction products of 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid, coupled twice with diazotized 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts
    Constituent 2
    Reference substance name:
    Unknown constituents
    Molecular formula:
    Not applicable (a generic molecular formula cannot be provided for these unknown constituents)
    IUPAC Name:
    Unknown constituents
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    4-Amino-6-(4-ethenylsulfonylphenylazo)-5-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2.7-disulfonic acid trisodium salt
    Molecular formula:
    C26H20N5O15S5Na3
    IUPAC Name:
    4-Amino-6-(4-ethenylsulfonylphenylazo)-5-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2.7-disulfonic acid trisodium salt
    Constituent 3
    Chemical structure
    Reference substance name:
    5-Amino-4-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2.7-disulfonic acid tri sodium salt. 4-Amino-5-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2.7-disulfonic acid tri sodium salt.
    Molecular formula:
    C26H22N5O16S5Na3
    IUPAC Name:
    5-Amino-4-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2.7-disulfonic acid tri sodium salt. 4-Amino-5-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2.7-disulfonic acid tri sodium salt.
    Constituent 4
    Chemical structure
    Reference substance name:
    4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate trisodium salt
    Molecular formula:
    C26H20N5Na3O15S5
    IUPAC Name:
    4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate trisodium salt
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium acetate
    EC Number:
    204-823-8
    EC Name:
    Sodium acetate
    CAS Number:
    127-09-3
    Molecular formula:
    C2H4O2.Na
    IUPAC Name:
    sodium acetate
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 7
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 8
    Chemical structure
    Reference substance name:
    Sodium
    EC Number:
    231-132-9
    EC Name:
    Sodium
    CAS Number:
    7440-23-5
    Molecular formula:
    Na
    IUPAC Name:
    Na
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H21N5Na4O19S6
    IUPAC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C25H20N5O15S5.3Na
    IUPAC Name:
    Trisodium4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 3
    Reference substance name:
    Unknown constituents
    Molecular formula:
    not applicable: unknown UVCB constituents
    IUPAC Name:
    Unknown constituents
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Reference substance name:
    Products of partial or complete hydrolysis of the reactive functional group of tetrasodium 4-amino-5-hydroxy-3,6-bis [(4 - {[2- (sulfonatooxy) ethyl] sulfonyl} phenyl) diazenyl] naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5Na3O15S5 - C26H22N5Na3O16S5
    IUPAC Name:
    Products of partial or complete hydrolysis of the reactive functional group of tetrasodium 4-amino-5-hydroxy-3,6-bis [(4 - {[2- (sulfonatooxy) ethyl] sulfonyl} phenyl) diazenyl] naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    282-084-0
    EC Name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    84100-03-8
    Molecular formula:
    C18H17N3O13S4.3Na
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-6-{[4- (ethenylsulfonyl)phenyl]diazenyl}-5- hydroxy-3-[(4-{[2-(sulfonatooxy) ethyl]sulfonyl}phenyl) diazenyl] naphthalene-2,7-disulfonate andTrisodium 4-amino-3-{[4- (ethenylsulfonyl)phenyl]diazenyl}-5- hydroxy-6-[(4-{[2-(sulfonatooxy)ethyl ]sulfonyl}phenyl)diazenyl] naphthalene-2,7- disulfonate
    Molecular formula:
    C26H20N5O15S5Na3
    IUPAC Name:
    Trisodium 4-amino-6-{[4- (ethenylsulfonyl)phenyl]diazenyl}-5- hydroxy-3-[(4-{[2-(sulfonatooxy) ethyl]sulfonyl}phenyl) diazenyl] naphthalene-2,7-disulfonate andTrisodium 4-amino-3-{[4- (ethenylsulfonyl)phenyl]diazenyl}-5- hydroxy-6-[(4-{[2-(sulfonatooxy)ethyl ]sulfonyl}phenyl)diazenyl] naphthalene-2,7- disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-6-[{4-[(2- hydroxyethyl)sulfonyl]phenyl}diazenyl]-3- [(4-{[2-(sulfonatooxy)ethyl]sulfonyl} phenyl)diazenyl]naphthalene-2,7- disulfonate and Trisodium 4-amino-5-hydroxy-3-[{4-[(2- hydroxyethyl)sulfonyl]phenyl}diazenyl]-6- [(4-{[2-(sulfonatooxy)ethyl]sulfonyl} phenyl)diazenyl]naphthalene-2,7- disulfonate
    Molecular formula:
    C26H22N5O16S5Na3
    IUPAC Name:
    Trisodium 4-amino-5-hydroxy-6-[{4-[(2- hydroxyethyl)sulfonyl]phenyl}diazenyl]-3- [(4-{[2-(sulfonatooxy)ethyl]sulfonyl} phenyl)diazenyl]naphthalene-2,7- disulfonate and Trisodium 4-amino-5-hydroxy-3-[{4-[(2- hydroxyethyl)sulfonyl]phenyl}diazenyl]-6- [(4-{[2-(sulfonatooxy)ethyl]sulfonyl} phenyl)diazenyl]naphthalene-2,7- disulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 5
    Chemical structure
    Reference substance name:
    Potassium chloride
    EC Number:
    231-211-8
    EC Name:
    Potassium chloride
    CAS Number:
    7447-40-7
    Molecular formula:
    ClK
    IUPAC Name:
    Potassium chloride
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Reaction products of 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid, coupled twice with diazotized 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts
    EC Number:
    701-365-5
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    Reaction products of 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid, coupled twice with diazotized 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts
    Constituent 2
    Reference substance name:
    Unknown UVCB Constituent A
    Molecular formula:
    C26H25N5O19S6
    IUPAC Name:
    Unknown UVCB Constituent A
    Constituent 3
    Reference substance name:
    Unknown UVCB Constituent B
    Molecular formula:
    C26H23N5O15S5
    IUPAC Name:
    Unknown UVCB Constituent B
    Constituent 4
    Reference substance name:
    Unknown UVCB Constituent C
    Molecular formula:
    C26H21N5O11S4
    IUPAC Name:
    Unknown UVCB Constituent C
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    5-Amino-4-hydroxy-3-[p-(2-sodiooxysulfonyloxyethylsulfonyl)phenylazo]-6-[p-(vinylsulfonyl)phenylazo]-2,7-naphthalenedisulfonic acid sodium salt
    Molecular formula:
    C26H20N5Na3O15S5
    IUPAC Name:
    5-Amino-4-hydroxy-3-[p-(2-sodiooxysulfonyloxyethylsulfonyl)phenylazo]-6-[p-(vinylsulfonyl)phenylazo]-2,7-naphthalenedisulfonic acid sodium salt
    Constituent 2
    Chemical structure
    Reference substance name:
    4-amino-5-hydroxy-6-((E)-(4-((2-hydroxyethyl)sulfonyl)phenyl)diazenyl)-3-((E)-(4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid sodium salt
    Molecular formula:
    C26H22N5O16S5Na3
    IUPAC Name:
    4-amino-5-hydroxy-6-((E)-(4-((2-hydroxyethyl)sulfonyl)phenyl)diazenyl)-3-((E)-(4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid sodium salt
    Constituent 3
    Reference substance name:
    Unknown Constituent
    IUPAC Name:
    Unknown Constituent
    Constituent 4
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H25N5O16S4.3Na
    IUPAC Name:
    Trisodium 4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl) diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C25H20N5O15S5.3Na
    IUPAC Name:
    Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl) diazenyl]naphthalene-2,7-disulfonate
    Constituent 4
    Reference substance name:
    Unknown impurities
    Molecular formula:
    not applicable
    IUPAC Name:
    Unknown impurities
    Constituent 5
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salt
    Molecular formula:
    C8H(11-x)NNaxO6S2
    IUPAC Name:
    2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salt
    Constituent 3
    Reference substance name:
    2-[(4-amino-3-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}phenyl)sulfonyl]ethyl hydrogen sulfate and/or 2-[(4-{(E)-[2-amino-5-(ethenylsulfonyl)phenyl]diazenyl}phenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts
    Molecular formula:
    C16H(17-x)N3NaxO8S3
    IUPAC Name:
    2-[(4-amino-3-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}phenyl)sulfonyl]ethyl hydrogen sulfate and/or 2-[(4-{(E)-[2-amino-5-(ethenylsulfonyl)phenyl]diazenyl}phenyl)sulfonyl]ethyl hydrogen sulfate, sodium salts
    Constituent 4
    Reference substance name:
    2-({4-[(E)-(2-amino-5-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]phenyl}sulfonyl)ethyl hydrogen sulphate, sodium salt
    Molecular formula:
    C16H(19-2X)N3Na(2x)O12S4
    IUPAC Name:
    2-({4-[(E)-(2-amino-5-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]phenyl}sulfonyl)ethyl hydrogen sulphate, sodium salt
    Constituent 5
    Reference substance name:
    4-amino-5-hydroxy-3-[(E)-{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]naphthalene-2,7-disulfonic acid, sodium salt
    IUPAC Name:
    4-amino-5-hydroxy-3-[(E)-{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 6
    Chemical structure
    Reference substance name:
    5-amino-4-hydroxy-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C18H(17-3x)N3Na3xO13S4
    IUPAC Name:
    5-amino-4-hydroxy-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 7
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    282-084-0
    EC Name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    84100-03-8
    Molecular formula:
    C18H17N3O13S4.3Na
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 8
    Chemical structure
    Reference substance name:
    4-amino-5-hydroxy-3-[(E)-{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt or 4-amino-5-hydroxy-6-[(E)-{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C26H(25-3x)N5Na3xO16S5
    IUPAC Name:
    4-amino-5-hydroxy-3-[(E)-{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt or 4-amino-5-hydroxy-6-[(E)-{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 9
    Chemical structure
    Reference substance name:
    4-amino-3,6-bis{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C26H(21-2x)N5Na2xO11S4
    IUPAC Name:
    4-amino-3,6-bis{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 10
    Chemical structure
    Reference substance name:
    4-amino-3-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid or 4-amino-6-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C26H(23-3x)N5Na3xO15S5
    IUPAC Name:
    4-amino-3-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid or 4-amino-6-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 11
    Chemical structure
    Reference substance name:
    5-amino-4-hydroxy-1,6-bis[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C26H(25-4x)N5Na4xO19S6
    IUPAC Name:
    5-amino-4-hydroxy-1,6-bis[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 12
    Chemical structure
    Reference substance name:
    4-amino-5-hydroxy-3-{(E)-[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid or 4-amino-5-hydroxy-6-{(E)-[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C28H(29-4x)N5Na4xO20S6
    IUPAC Name:
    4-amino-5-hydroxy-3-{(E)-[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid or 4-amino-5-hydroxy-6-{(E)-[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 13
    Reference substance name:
    3,3'-{oxybis[2,1-ethanediylsulfonyl-4,1-phenylene(E)-2,1-diazenediyl]}bis{4-amino-5-hydroxy-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid}, sodium salt
    Molecular formula:
    C52H(48-6x)N10Na6xO31S10
    IUPAC Name:
    3,3'-{oxybis[2,1-ethanediylsulfonyl-4,1-phenylene(E)-2,1-diazenediyl]}bis{4-amino-5-hydroxy-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid}, sodium salt
    Constituent 14
    Reference substance name:
    oligomeric compounds
    Molecular formula:
    not applicable
    IUPAC Name:
    oligomeric compounds
    Constituent 15
    Reference substance name:
    Sum of organic non dangerous constituents each < 1%
    Molecular formula:
    Not applicable
    IUPAC Name:
    Sum of organic non dangerous constituents each < 1%
    Constituent 16
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 17
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 18
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 19
    Chemical structure
    Reference substance name:
    4-chloroaniline
    EC Number:
    203-401-0
    EC Name:
    4-chloroaniline
    CAS Number:
    106-47-8
    Molecular formula:
    C6H6ClN
    IUPAC Name:
    4-chloroaniline
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2,​7-​Naphthalenedisulfoni​c acid, 4-​amino-​5-​hydroxy-​3,​6-​bis[2-​[4-​[[2-​(sulfooxy)​ethyl]​sulfonyl]​phenyl]​diazenyl]​-​, sodium salt
    Molecular formula:
    C26H(21+4x)N5Na(4-4x)O19S6 (0 <= x =< 1)
    IUPAC Name:
    2,​7-​Naphthalenedisulfoni​c acid, 4-​amino-​5-​hydroxy-​3,​6-​bis[2-​[4-​[[2-​(sulfooxy)​ethyl]​sulfonyl]​phenyl]​diazenyl]​-​, sodium salt
    Constituent 2
    Chemical structure
    Reference substance name:
    4-amino-3-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid or 4-amino-6-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C26 H23 N5 O15 S5. xNa
    IUPAC Name:
    4-amino-3-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid or 4-amino-6-{(E)-[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(E)-(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 3
    Chemical structure
    Reference substance name:
    trisodium 4(or5)-amino-5(or4) -hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    Molecular formula:
    C18 H17 N3 O13 S4 . 3 Na
    IUPAC Name:
    trisodium 4(or5)-amino-5(or4) -hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    Constituent 4
    Reference substance name:
    unknown
    Molecular formula:
    not applicable
    IUPAC Name:
    unknown
    Constituent 5
    Chemical structure
    Reference substance name:
    Ethanol, 2-[(4-aminophenyl)sulfonyl]-, hydrogen sulfate (ester), monosodium salt
    CAS Number:
    15764-73-5
    Molecular formula:
    C8 H11 N O6 S2 . Na
    IUPAC Name:
    Ethanol, 2-[(4-aminophenyl)sulfonyl]-, hydrogen sulfate (ester), monosodium salt
    Constituent 6
    Chemical structure
    Reference substance name:
    1-Aminobenzene-4-[[2-(sulfooxy)ethyl]sulfonyl]-2-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, sodium salt
    Molecular formula:
    C16H19N3O12 S4. xNa
    IUPAC Name:
    1-Aminobenzene-4-[[2-(sulfooxy)ethyl]sulfonyl]-2-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, sodium salt
    Constituent 7
    Reference substance name:
    Sum of unknown impurities (each < 1 %)
    Molecular formula:
    not applicable
    IUPAC Name:
    Sum of unknown impurities (each < 1 %)
    Constituent 8
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 9
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 10
    Chemical structure
    Reference substance name:
    Calcium sulfate
    EC Number:
    231-900-3
    EC Name:
    Calcium sulfate
    CAS Number:
    7778-18-9
    Molecular formula:
    Ca.H2O4S
    IUPAC Name:
    calcium sulfate
    Constituent 11
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 12
    Chemical structure
    Reference substance name:
    4-chloroaniline
    EC Number:
    203-401-0
    EC Name:
    4-chloroaniline
    CAS Number:
    106-47-8
    Molecular formula:
    C6H6ClN
    IUPAC Name:
    4-chloroaniline
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 2
    Reference substance name:
    unknown coloured impurities
    IUPAC Name:
    unknown coloured impurities
    Constituent 3
    Chemical structure
    Reference substance name:
    (Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl) diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5O15S5Na3
    IUPAC Name:
    (Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl) diazenyl]naphthalene-2,7-disulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 6
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    282-084-0
    EC Name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    84100-03-8
    Molecular formula:
    C18H17N3O13S4.3Na
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    282-084-0
    EC Name:
    Trisodium 4-amino-5-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    84100-03-8
    Molecular formula:
    C18H17N3O13S4.3Na
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    trisodium 4-amino-5-hydroxy-6-[4-(2-hydroxyethanesulfonyl)-phenylazo]-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2,7-disulfonic acid
    Molecular formula:
    C26H22N5Na3O16S5
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-6-[4-(2-hydroxyethanesulfonyl)-phenylazo]-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2,7-disulfonic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    trisodium 4-amino-6-(4-ethenylsulfonylphenylazo)-5-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2,7-disulfonic acid
    Molecular formula:
    C26H20N5Na3O15S5
    IUPAC Name:
    trisodium 4-amino-6-(4-ethenylsulfonylphenylazo)-5-hydroxy-3-[4-(2-sulfooxyethanesulfonyl)-phenylazo]-naphthalene-2,7-disulfonic acid
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    sodium chloride
    Constituent 7
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    State Form:
    solid: particulate/powder


    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 5-amino-4-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C18H14N3Na3O13S4
    IUPAC Name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 5-amino-4-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Reaction mass of Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-3-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl] naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5Na3O15S5
    IUPAC Name:
    Reaction mass of Trisodium 4-amino-6-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-3-{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl] naphthalene-2,7-disulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-5-hydroxy-3-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H22N5Na3O16S5
    IUPAC Name:
    Reaction mass of Trisodium 4-amino-5-hydroxy-6-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and Trisodium 4-amino-5-hydroxy-3-[{4-[(2-hydroxyethyl)sulfonyl]phenyl}diazenyl]-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salt
    Molecular formula:
    C8H(11-x)NNaxO6S2
    IUPAC Name:
    2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, sodium salt
    Constituent 6
    Chemical structure
    Reference substance name:
    2-({4-[(2-amino-5-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]phenyl}sulfonyl)ethyl hydrogen sulphate, sodium salt
    Molecular formula:
    C16H(19-2x)N3Na2xO12S4
    IUPAC Name:
    2-({4-[(2-amino-5-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]phenyl}sulfonyl)ethyl hydrogen sulphate, sodium salt
    Constituent 7
    Chemical structure
    Reference substance name:
    4-amino-3,6-bis{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C26H(21-2x)N5Na2xO11S4
    IUPAC Name:
    4-amino-3,6-bis{[4-(ethenylsulfonyl)phenyl]diazenyl}-5-hydroxy-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 8
    Chemical structure
    Reference substance name:
    Reaction mass of 4-amino-5-hydroxy-3-{[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-6-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid and 4-amino-5-hydroxy-6-{[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-3-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Molecular formula:
    C28H(29-4x)N5Na(4x)O20S6
    IUPAC Name:
    Reaction mass of 4-amino-5-hydroxy-3-{[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-6-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid and 4-amino-5-hydroxy-6-{[4-({2-[2-(sulfooxy)ethoxy]ethyl}sulfonyl)phenyl]diazenyl}-3-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid, sodium salt
    Constituent 9
    Chemical structure
    Reference substance name:
    3,3'-{oxybis[2,1-ethanediylsulfonyl-4,1-phenylene-2,1-diazenediyl]}bis{4-amino-5-hydroxy-6-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid}, sodium salt
    Molecular formula:
    C52H(48-6x)N10Na6xO31S10
    IUPAC Name:
    3,3'-{oxybis[2,1-ethanediylsulfonyl-4,1-phenylene-2,1-diazenediyl]}bis{4-amino-5-hydroxy-6-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-naphthalene-2,7-disulfonic acid}, sodium salt
    Constituent 10
    Reference substance name:
    sum of not further specified organic impurities < 1% each
    IUPAC Name:
    sum of not further specified organic impurities < 1% each
    Constituent 11
    Chemical structure
    Reference substance name:
    4-chloroaniline
    EC Number:
    203-401-0
    EC Name:
    4-chloroaniline
    CAS Number:
    106-47-8
    Molecular formula:
    C6H6ClN
    IUPAC Name:
    4-chloroaniline
    Constituent 12
    Chemical structure
    Reference substance name:
    Calcium sulfate
    EC Number:
    231-900-3
    EC Name:
    Calcium sulfate
    CAS Number:
    7778-18-9
    Molecular formula:
    Ca.H2O4S
    IUPAC Name:
    calcium sulfate
    Constituent 13
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane

    Composition(s) generated upon use

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