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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 aniline-4-sulfonic acid diazo with formaldehyde and resorcinol, sodium salts
EC Number:
945-518-6
Molecular formula:
Not applicable: UVCB substance
IUPAC Name:
Reaction products of aniline-4-sulfonic acid diazo with formaldehyde and resorcinol, sodium salts

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • benzenesulfonic acid, 4-amino-, diazotized, coupled with Dyer’s mulberry (Chlorophora tinctoria) extract
  • 276-203-5
  • 71949-32-1
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 4,4'-((1E,1'E)-(4,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C18H12N4Na2O8S2
    IUPAC Name:
    sodium 4,4'-((1E,1'E)-(4,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 4,4'-((1E,1'E)-(3-(2,4-dihydroxy-5-((E)-(4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-1,2-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C31H21N6Na3O13S3
    IUPAC Name:
    sodium 4,4'-((1E,1'E)-(3-(2,4-dihydroxy-5-((E)-(4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-1,2-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 3
    Reference substance name:
    Inorganic salts
    IUPAC Name:
    Inorganic salts
    Constituent 4
    Reference substance name:
    Minor components
    IUPAC Name:
    Minor components
    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

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 4,4'-((1E,1'E)-(4,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C18H12N4Na2O8S2
    IUPAC Name:
    sodium 4,4'-((1E,1'E)-(4,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 4,4'-((1E,1'E)-(3-(2,4-dihydroxy-5-((E)-(4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-1,2-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C31H21N6Na3O13S3
    IUPAC Name:
    sodium 4,4'-((1E,1'E)-(3-(2,4-dihydroxy-5-((E)-(4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-1,2-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Constituent 3 of Acid brown 188:1
    Molecular formula:
    C24H15N4Na3O11S3
    IUPAC Name:
    Constituent 3 of Acid brown 188:1
    Constituent 4
    Chemical structure
    Reference substance name:
    Constituent 4 of Acid Brown 188:1
    Molecular formula:
    C25H18N4Na2O10S2
    IUPAC Name:
    Constituent 4 of Acid Brown 188:1
    Constituent 5
    Reference substance name:
    Sum of no dangerous organic impurities, each <1% wt
    Molecular formula:
    Not applicable
    IUPAC Name:
    Sum of no dangerous organic impurities, each <1% wt
    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:
    Na2O4S
    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 nitrate
    EC Number:
    231-554-3
    EC Name:
    Sodium nitrate
    CAS Number:
    7631-99-4
    Molecular formula:
    NO3.Na
    IUPAC Name:
    Sodium nitrate
    Constituent 9
    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 1
    Chemical structure
    Reference substance name:
    sodium 4,4'-((1E,1'E)-(4,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C18H12N4Na2O8S2
    IUPAC Name:
    sodium 4,4'-((1E,1'E)-(4,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 2
    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 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
    Molecular formula:
    not applicable
    IUPAC Name:
    unknown impurities
    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:
    Na2O4S
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    tetrasodium 4,4'-((4-(2,4-dihydroxy-3,5-bis((4-sulfonatophenyl)diazenyl)benzoyl)-2-hydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C37H22N8Na4O16S4
    IUPAC Name:
    tetrasodium 4,4'-((4-(2,4-dihydroxy-3,5-bis((4-sulfonatophenyl)diazenyl)benzoyl)-2-hydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    trisodium 4,4'-((2,6-dihydroxy-4'-sulfonato-[1,1'-biphenyl]-3,5-diyl)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C24H15N4Na3O11S3
    IUPAC Name:
    trisodium 4,4'-((2,6-dihydroxy-4'-sulfonato-[1,1'-biphenyl]-3,5-diyl)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Disodium 4,4'-[(4,6-dihydroxy-1,3-phenylene)bis(azo)]bis(benzenesulphonate)
    EC Number:
    280-483-4
    EC Name:
    Disodium 4,4'-[(4,6-dihydroxy-1,3-phenylene)bis(azo)]bis(benzenesulphonate)
    CAS Number:
    83562-73-6
    Molecular formula:
    C18H12N4Na2O8S2
    IUPAC Name:
    disodium 4,4'-((4,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    tetrasodium 4,4'-((5-(3-(2,4-dihydroxy-5-((4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-2-((4-sulfonatophenyl)diazenyl)benzyl)-2,4-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C44H30N8Na4O18S4
    IUPAC Name:
    tetrasodium 4,4'-((5-(3-(2,4-dihydroxy-5-((4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-2-((4-sulfonatophenyl)diazenyl)benzyl)-2,4-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    trisodium 4,4'-((3-(2,4-dihydroxy-5-((4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-1,2-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C31H21N6Na3O13S3
    IUPAC Name:
    trisodium 4,4'-((3-(2,4-dihydroxy-5-((4-sulfonatophenyl)diazenyl)benzyl)-4,6-dihydroxy-1,2-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    disodium 4,4'-((methylenebis(4,6-dihydroxy-3,1-phenylene))bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C25H18N4Na2O10S2
    IUPAC Name:
    disodium 4,4'-((methylenebis(4,6-dihydroxy-3,1-phenylene))bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    pentasodium 4,4'-((4-(6-(5-(2,4-dihydroxy-5-((4-sulfonatophenyl)diazenyl)benzyl)-2,4-dihydroxy-3-((4-sulfonatophenyl)diazenyl)benzyl)-2,4-dihydroxy-3-((4-sulfonatophenyl)diazenyl)benzyl)-2,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Molecular formula:
    C57H39N10Na5O23S5
    IUPAC Name:
    pentasodium 4,4'-((4-(6-(5-(2,4-dihydroxy-5-((4-sulfonatophenyl)diazenyl)benzyl)-2,4-dihydroxy-3-((4-sulfonatophenyl)diazenyl)benzyl)-2,4-dihydroxy-3-((4-sulfonatophenyl)diazenyl)benzyl)-2,6-dihydroxy-1,3-phenylene)bis(diazene-2,1-diyl))dibenzenesulfonate
    Constituent 8
    Chemical structure
    Reference substance name:
    trisodium 4,4',4''-((6-amino-3,5-dihydroxybenzene-1,2,4-triyl)tris(diazene-2,1-diyl))tribenzenesulfonate
    Molecular formula:
    C24H16N7Na3O11S3
    IUPAC Name:
    trisodium 4,4',4''-((6-amino-3,5-dihydroxybenzene-1,2,4-triyl)tris(diazene-2,1-diyl))tribenzenesulfonate
    Constituent 9
    Reference substance name:
    Sum of organic impurities each > 1%
    Molecular formula:
    not applicable
    IUPAC Name:
    Sum of organic impurities each > 1%
    Constituent 10
    Reference substance name:
    Sum of organic impurities each < 1 %
    Molecular formula:
    Not applicable
    IUPAC Name:
    Sum of organic impurities each < 1 %
    Constituent 11
    Chemical structure
    Reference substance name:
    Sodium carbonate
    EC Number:
    207-838-8
    EC Name:
    Sodium carbonate
    CAS Number:
    497-19-8
    Molecular formula:
    CNa2O3
    IUPAC Name:
    Sodium Carbonate
    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:
    Na2O4S
    IUPAC Name:
    disodium sulfate
    Constituent 14
    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

    Other types of composition(s)