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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Display Name:
Reaction products of 1,3-dihydroxybenzene, 4-amino-5-hydroxynaphthalene-2,7-disulphonic acid, 4-methoxy-1-aminobenzene, 2-(4-aminoanilino)-5-nitrobenzenesulphonic acid, sodium salt
EC Number:
944-073-5
Molecular formula:
Not available, UVCB substance
IUPAC Name:
Reaction products of 1,3-dihydroxybenzene, 4-amino-5-hydroxynaphthalene-2,7-disulphonic acid, 4-methoxy-1-aminobenzene, 2-(4-aminoanilino)-5-nitrobenzenesulphonic acid, sodium salt

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • 944-073-5
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    EC Number:
    274-419-4
    EC Name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    CAS Number:
    70210-23-0
    Molecular formula:
    C35H26N8O15S3.3Na
    IUPAC Name:
    trisodium 4-(2-{2,4-dihydroxy-3-[2-(4-methoxyphenyl)azo]-5-(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    disodium 4-(2-{2,4-dihydroxy-3,5-bis[2-(4-methoxyphenyl)azo]phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Molecular formula:
    C30H22N6Na2O11S2
    IUPAC Name:
    disodium 4-(2-{2,4-dihydroxy-3,5-bis[2-(4-methoxyphenyl)azo]phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    tetrasodium 4-(2-{2,4-dihydroxy-3,5-bis(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Molecular formula:
    C40H24N10Na4O19S4
    IUPAC Name:
    tetrasodium 4-(2-{2,4-dihydroxy-3,5-bis(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium 2-(p-aminoanilino)-5-nitrobenzenesulphonate
    EC Number:
    238-906-5
    EC Name:
    Sodium 2-(p-aminoanilino)-5-nitrobenzenesulphonate
    CAS Number:
    14846-08-3
    Molecular formula:
    C12H11N3O5S.Na
    IUPAC Name:
    sodium 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    unknown constituents
    Molecular formula:
    none
    IUPAC Name:
    unknown constituents
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    EC Number:
    274-419-4
    EC Name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    CAS Number:
    70210-23-0
    Molecular formula:
    C35H26N8O15S3.3Na
    IUPAC Name:
    trisodium 4-(2-{2,4-dihydroxy-3-[2-(4-methoxyphenyl)azo]-5-(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    5-((E)-(2,4-dihydroxy-3-((E)-(4-methoxyphenyl)diazenyl)-5-((E)-(4-((4-nitro-2-sulfophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-4-hydroxy-1-(4-((4-nitro-2-sulfophenyl)amino)phenyl)naphthalene-2,7-disulfonic acid
    Molecular formula:
    C47H34N10O20S4
    IUPAC Name:
    5-((E)-(2,4-dihydroxy-3-((E)-(4-methoxyphenyl)diazenyl)-5-((E)-(4-((4-nitro-2-sulfophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-4-hydroxy-1-(4-((4-nitro-2-sulfophenyl)amino)phenyl)naphthalene-2,7-disulfonic acid
    Constituent 3
    Reference substance name:
    Minor components
    IUPAC Name:
    Minor components
    Constituent 4
    Reference substance name:
    Inorganic salts
    IUPAC Name:
    Inorganic salts
    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:
    dihydrogen oxide

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    EC Number:
    274-419-4
    EC Name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    CAS Number:
    70210-23-0
    Molecular formula:
    C35H26N8O15S3.3Na
    IUPAC Name:
    trisodium 4-(2-{2,4-dihydroxy-3-[2-(4-methoxyphenyl)azo]-5-(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    disodium 4-(2-{2,4-dihydroxy-3,5-bis[2-(4-methoxyphenyl)azo]phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Molecular formula:
    C30H22N6Na2O11S2
    IUPAC Name:
    disodium 4-(2-{2,4-dihydroxy-3,5-bis[2-(4-methoxyphenyl)azo]phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    tetrasodium 4-(2-{2,4-dihydroxy-3,5-bis(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Molecular formula:
    C40H24N10Na4O19S4
    IUPAC Name:
    tetrasodium 4-(2-{2,4-dihydroxy-3,5-bis(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium 2-(p-aminoanilino)-5-nitrobenzenesulphonate
    EC Number:
    238-906-5
    EC Name:
    Sodium 2-(p-aminoanilino)-5-nitrobenzenesulphonate
    CAS Number:
    14846-08-3
    Molecular formula:
    C12H11N3O5S.Na
    IUPAC Name:
    sodium 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    unknown constituents
    Molecular formula:
    none
    IUPAC Name:
    unknown constituents
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 2-((4- (2,4-dihydroxy-3-(((4-methoxyphenyl)diazenyl)phenyl)diazenyl)phenyl)amino)-5-nitrobenzenesulfonate
    Molecular formula:
    C25H19N6NaO8S
    IUPAC Name:
    sodium 2-((4- (2,4-dihydroxy-3-(((4-methoxyphenyl)diazenyl)phenyl)diazenyl)phenyl)amino)-5-nitrobenzenesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 6,6'-((((2,4-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))bis(4,1-phenylene))bis(azanediyl))bis(3-nitrobenzenesulfonate)
    Molecular formula:
    C30H20N8Na2O12S2
    IUPAC Name:
    sodium 6,6'-((((2,4-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))bis(4,1-phenylene))bis(azanediyl))bis(3-nitrobenzenesulfonate)
    Constituent 3
    Chemical structure
    Reference substance name:
    sodium 2-((4-((2,4-dihydroxyphenyl)diazenyl)phenyl)amino)-5-nitrobenzenesulfonate
    Molecular formula:
    C18H13N4NaO7S
    IUPAC Name:
    sodium 2-((4-((2,4-dihydroxyphenyl)diazenyl)phenyl)amino)-5-nitrobenzenesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    sodium 4-( 2,4-dihydroxy-3,5-bis((4-methoxyphenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    Molecular formula:
    C30H22N6Na2O11S2
    IUPAC Name:
    sodium 4-( 2,4-dihydroxy-3,5-bis((4-methoxyphenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    EC Number:
    274-419-4
    EC Name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    CAS Number:
    70210-23-0
    Molecular formula:
    C35H26N8O15S3.3Na
    IUPAC Name:
    trisodium 4-(2-{2,4-dihydroxy-3-[2-(4-methoxyphenyl)azo]-5-(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 4-(((2,4-dihydroxy-3,5-bis(((4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    Molecular formula:
    C40H24N10Na4O19S4
    IUPAC Name:
    sodium 4-(((2,4-dihydroxy-3,5-bis(((4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    sodium 4-(((2,4-dihydroxy-3-(((4-methoxyphenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    Molecular formula:
    C23H16N4Na2O10S2
    IUPAC Name:
    sodium 4-(((2,4-dihydroxy-3-(((4-methoxyphenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    Constituent 8
    Chemical structure
    Reference substance name:
    sodium 6-((4-((2,6-dihydroxy-3-((4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)phenyl)amino)-2-((4-methoxyphenyl)diazenyl)-3-nitrobenzenesulfonate
    Molecular formula:
    C37H26N10Na2O13S2
    IUPAC Name:
    sodium 6-((4-((2,6-dihydroxy-3-((4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)phenyl)amino)-2-((4-methoxyphenyl)diazenyl)-3-nitrobenzenesulfonate
    Constituent 9
    Chemical structure
    Reference substance name:
    Sodium 5-((2,4-dihydroxy-3-((E)-(4-methoxyphenyl)diazenyl)-5-((E)-(4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-4-hydroxy-1-((4-methoxyphenyl)diazenyl)naphthalene-2,7-disulfonate
    Molecular formula:
    C42H29N10Na3O16S3
    IUPAC Name:
    Sodium 5-((2,4-dihydroxy-3-((E)-(4-methoxyphenyl)diazenyl)-5-((E)-(4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-4-hydroxy-1-((4-methoxyphenyl)diazenyl)naphthalene-2,7-disulfonate
    Constituent 10
    Chemical structure
    Reference substance name:
    sodium 4-(((2,4-dihydroxy-5-((4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    Molecular formula:
    C28H17N6Na3O14S3
    IUPAC Name:
    sodium 4-(((2,4-dihydroxy-5-((4-((4-nitro-2-sulfonatophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
    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:
    dihydrogen oxide
    Constituent 12
    Chemical structure
    Reference substance name:
    Ammonium sulphate
    EC Number:
    231-984-1
    EC Name:
    Ammonium sulphate
    CAS Number:
    7783-20-2
    Molecular formula:
    H3N.1/2H2O4S
    IUPAC Name:
    ammonium sulphate
    Constituent 13
    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
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    EC Number:
    274-419-4
    EC Name:
    Trisodium 4-[[2,4-dihydroxy-3-[(4-methoxyphenyl)azo]-5-[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
    CAS Number:
    70210-23-0
    Molecular formula:
    C35H26N8O15S3.3Na
    IUPAC Name:
    trisodium 4-(2-{2,4-dihydroxy-3-[2-(4-methoxyphenyl)azo]-5-(2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}azo)phenyl}azo)-5-hydroxy-2,7-naphthalenedisulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    5-((E)-(2,4-dihydroxy-3-((E)-(4-methoxyphenyl)diazenyl)-5-((E)-(4-((4-nitro-2-sulfophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-4-hydroxy-1-(4-((4-nitro-2-sulfophenyl)amino)phenyl)naphthalene-2,7-disulfonic acid
    Molecular formula:
    C47H34N10O20S4
    IUPAC Name:
    5-((E)-(2,4-dihydroxy-3-((E)-(4-methoxyphenyl)diazenyl)-5-((E)-(4-((4-nitro-2-sulfophenyl)amino)phenyl)diazenyl)phenyl)diazenyl)-4-hydroxy-1-(4-((4-nitro-2-sulfophenyl)amino)phenyl)naphthalene-2,7-disulfonic acid
    Constituent 3
    Chemical structure
    Reference substance name:
    Constituent 3 of Acid Brown 235 (not available)
    Molecular formula:
    C40H28N10O17S4
    IUPAC Name:
    Constituent 3 of Acid Brown 235 (not available)
    Constituent 4
    Chemical structure
    Reference substance name:
    Constituent 4 of Acid Brown 235 (not available)
    Molecular formula:
    C25H20N6O8S
    IUPAC Name:
    Constituent 4 of Acid Brown 235 (not available)
    Constituent 5
    Chemical structure
    Reference substance name:
    Constituent 5 of Acid Brown 235 (not available)
    Molecular formula:
    C42H32N8O16S3
    IUPAC Name:
    Constituent 5 of Acid Brown 235 (not available)
    Constituent 6
    Chemical structure
    Reference substance name:
    Constituent 6 of Acid Brown 235 (not available)
    Molecular formula:
    C30H24N6O10S2
    IUPAC Name:
    Constituent 6 of Acid Brown 235 (not available)
    Constituent 7
    Chemical structure
    Reference substance name:
    Constituent 7 of Acid Brown 235 (not available)
    Molecular formula:
    C41H31N11O18S4
    IUPAC Name:
    Constituent 7 of Acid Brown 235 (not available)
    Constituent 8
    Chemical structure
    Reference substance name:
    2-(4-aminoanilino)-5-nitrobenzenesulphonic acid
    EC Number:
    202-057-9
    EC Name:
    2-(4-aminoanilino)-5-nitrobenzenesulphonic acid
    CAS Number:
    91-29-2
    Molecular formula:
    C12H11N3O5S
    IUPAC Name:
    2-(4-aminoanilino)-5-nitrobenzenesulphonic acid
    Constituent 9
    Chemical structure
    Reference substance name:
    5-amino-4-hydroxy-1-[(4-methoxyphenyl)diazenyl]naphthalene-2,7-disulfonic acid
    Molecular formula:
    C17H15N3O8S2
    IUPAC Name:
    5-amino-4-hydroxy-1-[(4-methoxyphenyl)diazenyl]naphthalene-2,7-disulfonic acid
    Constituent 10
    Chemical structure
    Reference substance name:
    Constituent 10 of Acid Brown 235 (not available)
    Molecular formula:
    C30H22N8O12S2
    IUPAC Name:
    Constituent 10 of Acid Brown 235 (not available)
    Constituent 11
    Chemical structure
    Reference substance name:
    2,4-bis(E)[(4-methoxyphenyl)diazenyl]benzene-1,3-diol
    Molecular formula:
    C20H18N4O4
    IUPAC Name:
    2,4-bis(E)[(4-methoxyphenyl)diazenyl]benzene-1,3-diol