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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 diazotised sodium 2-amino-5-{[2-(sulfonatooxy)ethyl]sulfonyl}benzenesulfonate coupled with sodium 2-(4-aminobenzene-1-sulfonyl)ethyl sulfate, subsequently coupled with diazotised sodium 2-(4-aminobenzene-1-sulfonyl)ethyl sulfate
EC Number:
955-780-3
Molecular formula:
NA
IUPAC Name:
Reaction products of diazotised sodium 2-amino-5-{[2-(sulfonatooxy)ethyl]sulfonyl}benzenesulfonate coupled with sodium 2-(4-aminobenzene-1-sulfonyl)ethyl sulfate, subsequently coupled with diazotised sodium 2-(4-aminobenzene-1-sulfonyl)ethyl sulfate

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • 607724-40-3
  • Reactive Orange 131
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Benzenesulfonic acid, 2,4-diamino-3-[[4-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]azo]-5-[[2-sulfo-4-[[2 - (sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt
    Molecular formula:
    C22H20N6Na4O18S6
    IUPAC Name:
    Benzenesulfonic acid, 2,4-diamino-3-[[4-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]azo]-5-[[2-sulfo-4-[[2 - (sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-((4-((E)-(2,6-diamino-3-sulfonato-5-((E)-(2-sulfonato4-(vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)phenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C22H19N6Na3O14S5
    IUPAC Name:
    sodium 2-((4-((E)-(2,6-diamino-3-sulfonato-5-((E)-(2-sulfonato4-(vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)phenyl)sulfonyl)ethyl sulfate
    Constituent 3
    Chemical structure
    Reference substance name:
    sodium 2-((4-((E)-(2,4-diamino-5-sulfonato-3-((E)-(4- (vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C22H19N6Na3O14S5
    IUPAC Name:
    sodium 2-((4-((E)-(2,4-diamino-5-sulfonato-3-((E)-(4- (vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulfate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium 2-((4-((E)-(2,6-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)-2-sulfonatophenyl)diazenyl)-5- sulfonatophenyl)diazenyl)phenyl)sulfonyl)ethylsulfate
    Molecular formula:
    C22H21N6Na3O15S5
    IUPAC Name:
    Sodium 2-((4-((E)-(2,6-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)-2-sulfonatophenyl)diazenyl)-5- sulfonatophenyl)diazenyl)phenyl)sulfonyl)ethylsulfate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium (4,4'-((1E,1'E)-(2,4-diamino-5-sulfonato-1,3- phenylene)bis(diazene-2,1-diyl))bis(4,1- phenylenesulfonyl))bis(ethane-2,1-diyl) bis(sulfate)
    Molecular formula:
    C22H21N6Na3O15S5
    IUPAC Name:
    sodium (4,4'-((1E,1'E)-(2,4-diamino-5-sulfonato-1,3- phenylene)bis(diazene-2,1-diyl))bis(4,1- phenylenesulfonyl))bis(ethane-2,1-diyl) bis(sulfate)
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 2-((4-((E)-(2,4-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)phenyl)diazenyl)-5- sulfonatophenyl)diazenyl)-3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C22H21N6Na3O15S5
    IUPAC Name:
    sodium 2-((4-((E)-(2,4-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)phenyl)diazenyl)-5- sulfonatophenyl)diazenyl)-3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Constituent 7
    Chemical structure
    Reference substance name:
    sodium (E)-2-((4-((2,4-diamino-5-sulfonatophenyl)diazenyl)- 3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C14H13N4Na3O12S4
    IUPAC Name:
    sodium (E)-2-((4-((2,4-diamino-5-sulfonatophenyl)diazenyl)- 3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Constituent 8
    Chemical structure
    Reference substance name:
    sodium 2-((4-(chlorodiazenyl)phenyl)sulfonyl)ethyl sulphate
    Molecular formula:
    C8H8ClN2NaO6S2
    IUPAC Name:
    sodium 2-((4-(chlorodiazenyl)phenyl)sulfonyl)ethyl sulphate
    Constituent 9
    Chemical structure
    Reference substance name:
    sodium 2-((4-(chlorodiazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulphate
    Molecular formula:
    C8H7ClN2Na2O9S3
    IUPAC Name:
    sodium 2-((4-(chlorodiazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulphate
    Constituent 10
    Reference substance name:
    Unknown impurities
    CAS Number:
    N/A
    Molecular formula:
    NA
    IUPAC Name:
    Unknown impurities
    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:
    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:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    sodium sulphate

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Benzenesulfonic acid, 2,4-diamino-3-[[4-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]azo]-5-[[2-sulfo-4-[[2 - (sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt
    Molecular formula:
    C22H20N6Na4O18S6
    IUPAC Name:
    Benzenesulfonic acid, 2,4-diamino-3-[[4-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]azo]-5-[[2-sulfo-4-[[2 - (sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-((4-((E)-(2,6-diamino-3-sulfonato-5-((E)-(2-sulfonato4-(vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)phenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C22H19N6Na3O14S5
    IUPAC Name:
    sodium 2-((4-((E)-(2,6-diamino-3-sulfonato-5-((E)-(2-sulfonato4-(vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)phenyl)sulfonyl)ethyl sulfate
    Constituent 3
    Chemical structure
    Reference substance name:
    sodium 2-((4-((E)-(2,4-diamino-5-sulfonato-3-((E)-(4- (vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C22H19N6Na3O14S5
    IUPAC Name:
    sodium 2-((4-((E)-(2,4-diamino-5-sulfonato-3-((E)-(4- (vinylsulfonyl)phenyl)diazenyl)phenyl)diazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulfate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium 2-((4-((E)-(2,6-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)-2-sulfonatophenyl)diazenyl)-5- sulfonatophenyl)diazenyl)phenyl)sulfonyl)ethylsulfate
    Molecular formula:
    C22H21N6Na3O15S5
    IUPAC Name:
    Sodium 2-((4-((E)-(2,6-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)-2-sulfonatophenyl)diazenyl)-5- sulfonatophenyl)diazenyl)phenyl)sulfonyl)ethylsulfate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium (4,4'-((1E,1'E)-(2,4-diamino-5-sulfonato-1,3- phenylene)bis(diazene-2,1-diyl))bis(4,1- phenylenesulfonyl))bis(ethane-2,1-diyl) bis(sulfate)
    Molecular formula:
    C22H21N6Na3O15S5
    IUPAC Name:
    sodium (4,4'-((1E,1'E)-(2,4-diamino-5-sulfonato-1,3- phenylene)bis(diazene-2,1-diyl))bis(4,1- phenylenesulfonyl))bis(ethane-2,1-diyl) bis(sulfate)
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 2-((4-((E)-(2,4-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)phenyl)diazenyl)-5- sulfonatophenyl)diazenyl)-3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C22H21N6Na3O15S5
    IUPAC Name:
    sodium 2-((4-((E)-(2,4-diamino-3-((E)-(4-((2- hydroxyethyl)sulfonyl)phenyl)diazenyl)-5- sulfonatophenyl)diazenyl)-3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Constituent 7
    Chemical structure
    Reference substance name:
    sodium (E)-2-((4-((2,4-diamino-5-sulfonatophenyl)diazenyl)- 3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Molecular formula:
    C14H13N4Na3O12S4
    IUPAC Name:
    sodium (E)-2-((4-((2,4-diamino-5-sulfonatophenyl)diazenyl)- 3-sulfonatophenyl)sulfonyl)ethyl sulfate
    Constituent 8
    Chemical structure
    Reference substance name:
    sodium 2-((4-(chlorodiazenyl)phenyl)sulfonyl)ethyl sulphate
    Molecular formula:
    C8H8ClN2NaO6S2
    IUPAC Name:
    sodium 2-((4-(chlorodiazenyl)phenyl)sulfonyl)ethyl sulphate
    Constituent 9
    Chemical structure
    Reference substance name:
    sodium 2-((4-(chlorodiazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulphate
    Molecular formula:
    C8H7ClN2Na2O9S3
    IUPAC Name:
    sodium 2-((4-(chlorodiazenyl)-3- sulfonatophenyl)sulfonyl)ethyl sulphate
    Constituent 10
    Reference substance name:
    Unknown impurities
    CAS Number:
    N/A
    Molecular formula:
    NA
    IUPAC Name:
    Unknown impurities
    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:
    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:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    sodium sulphate

    Composition(s) generated upon use

    Other types of composition(s)