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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, disodium salt, reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid, sodium salts
EC Number:
215-397-8
EC Name:
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, disodium salt, reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid, sodium salts
CAS Number:
1325-54-8
Molecular formula:
Molecular formula of the main constituents: (1) C38H24N8Na4O12S4 (2) C52H32N10Na6O18S6
IUPAC Name:
decasodium 2-[(1E)-2-{2-sulfonato-4-[(1E)-2-{3-sulfonato-4-[(1E)-2-{2-sulfonato-4-[(1E)-2-{4-[(1E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(1E)-2-{4-[(1E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate 2-[(1E)-2-{2-sulfonato-4-[(1E)-2-{4-[(1E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(1E)-2-{4-[(1E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Direct Orange 39
  • Compositions

    Boundary Composition(s)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 5-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]-2-[2-[2-sulfonato-4-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]ethenyl]benzenesulfonate
    Molecular formula:
    C38H24N8Na4O12S4
    IUPAC Name:
    Tetrasodium 5-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]-2-[2-[2-sulfonato-4-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]ethenyl]benzenesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexasodium 2-((E)-2-sulfonato-4-((E)-(3-sulfonato-4-((E)-2-sulfonato-4-((E)-(4-((E)-(4-sulfonatophenyl)diazenyl)phenyl)diazenyl)styryl)phenyl)diazenyl)styryl)-5-((E)-(4-((E)-(4- sulfona-tophenyl)diazenyl)phenyl)diazenyl)benzenesulfonate
    Molecular formula:
    C52H32N10Na6O18S6
    IUPAC Name:
    Hexasodium 2-((E)-2-sulfonato-4-((E)-(3-sulfonato-4-((E)-2-sulfonato-4-((E)-(4-((E)-(4-sulfonatophenyl)diazenyl)phenyl)diazenyl)styryl)phenyl)diazenyl)styryl)-5-((E)-(4-((E)-(4- sulfona-tophenyl)diazenyl)phenyl)diazenyl)benzenesulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    EC Number:
    251-246-2
    EC Name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    CAS Number:
    32829-81-5
    Molecular formula:
    C38H24N8Na4O12S4
    IUPAC Name:
    Tetrasodium 5-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]-2-[2-[2-sulfonato-4-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]ethenyl]benzenesulfonat
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexasodium 2-((E)-2-sulfonato-4-((E)-(3-sulfonato-4-((E)-2-sulfonato-4-((E)-(4-((E)-(4-sulfonatophenyl)diazenyl)phenyl)diazenyl)styryl)phenyl)diazenyl)styryl)-5-((E)-(4-((E)-(4- sulfona-tophenyl)diazenyl)phenyl)diazenyl)benzenesulfonate
    Molecular formula:
    C52H32N10Na6O18S6
    IUPAC Name:
    Hexasodium 2-((E)-2-sulfonato-4-((E)-(3-sulfonato-4-((E)-2-sulfonato-4-((E)-(4-((E)-(4-sulfonatophenyl)diazenyl)phenyl)diazenyl)styryl)phenyl)diazenyl)styryl)-5-((E)-(4-((E)-(4- sulfona-tophenyl)diazenyl)phenyl)diazenyl)benzenesulfonate


    Constituent 1
    Chemical structure
    Reference substance name:
    tetrasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    Molecular formula:
    C38H24N8Na4O12S4
    IUPAC Name:
    tetrasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    hexasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{3-sulfonato-4-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    Molecular formula:
    C52H32N10Na6O18S6
    IUPAC Name:
    hexasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{3-sulfonato-4-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    EC Number:
    251-246-2
    EC Name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    CAS Number:
    32829-81-5
    Molecular formula:
    C38H24N8Na4O12S4
    IUPAC Name:
    Tetrasodium 5-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]-2-[2-[2-sulfonato-4-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]ethenyl]benzenesulfonat
    Constituent 2
    Chemical structure
    Reference substance name:
    Benzenesulfonic acid, 3,3'-azobis[6-[2-[2-sulfo-4-[[4-[(4-sulfophenyl)azo]phenyl]azo]phenyl]ethenyl]-, sodium salt
    Molecular formula:
    C52H32N10Na6O18S6
    IUPAC Name:
    Benzenesulfonic acid, 3,3'-azobis[6-[2-[2-sulfo-4-[[4-[(4-sulfophenyl)azo]phenyl]azo]phenyl]ethenyl]-, sodium salt
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    EC Number:
    251-246-2
    EC Name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    CAS Number:
    32829-81-5
    Molecular formula:
    C38H24N8Na4O12S4
    IUPAC Name:
    Tetrasodium 5-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]-2-[2-[2-sulfonato-4-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]ethenyl]benzenesulfonat
    Constituent 2
    Chemical structure
    Reference substance name:
    hexasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{3-sulfonato-4-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    Molecular formula:
    C52H32N10Na6O18S6
    IUPAC Name:
    hexasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{3-sulfonato-4-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    tetrasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    Molecular formula:
    C38H24N8Na4O12S4
    IUPAC Name:
    tetrasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    hexasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{3-sulfonato-4-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate
    Molecular formula:
    C52H32N10Na6O18S6
    IUPAC Name:
    hexasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{3-sulfonato-4-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    EC Number:
    251-246-2
    EC Name:
    Tetrasodium 4,4'-bis[[p-[(p-sulphonatophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonate
    CAS Number:
    32829-81-5
    Molecular formula:
    C38H24N8Na4O12S4
    IUPAC Name:
    Tetrasodium 5-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]-2-[2-[2-sulfonato-4-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]ethenyl]benzenesulfonat
    Constituent 2
    Chemical structure
    Reference substance name:
    Not applicable
    Molecular formula:
    Not available
    IUPAC Name:
    Not applicable

    Composition(s) generated upon use

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