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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 diazotised anthranilic acid and resorcinol, subsequently coupled with diazotised 5-aminonaphthalene-1-sulfonic acid and chelated with chromium (3+), sodium salts
EC Number:
700-942-9
CAS Number:
94933-05-8
Molecular formula:
not applicable
IUPAC Name:
Reaction products of diazotised anthranilic acid and resorcinol, subsequently coupled with diazotised 5-aminonaphthalene-1-sulfonic acid and chelated with chromium (3+), sodium salts

Type of Substance

Composition:
UVCB
Origin:
organometallic

Substance Identifiers open all close all

  • Acid Brown 432
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    sum of isomers of the component 94933-05-8
    Molecular formula:
    C46H26CrN8Na3O14S2
    IUPAC Name:
    sum of isomers of the component 94933-05-8
    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
    Reference substance name:
    Inorganic salts
    Molecular formula:
    not applicable
    IUPAC Name:
    Inorganic salts
    Constituent 4
    Reference substance name:
    unknown impurities
    Molecular formula:
    not applicable
    IUPAC Name:
    unknown impurities

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    400-320-4
    EC Name:
    -
    CAS Number:
    94933-05-8
    Molecular formula:
    C46H26CrN8Na3O14S2
    IUPAC Name:
    Trisodium, bis [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] chromate(3-)
    Constituent 2
    Chemical structure
    Reference substance name:
    sum of isomers of the component 94933-05-8
    Molecular formula:
    C46H26CrN8Na3O14S2
    IUPAC Name:
    sum of isomers of the component 94933-05-8
    Constituent 3
    Chemical structure
    Reference substance name:
    Monosodium [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] (2-aminobenzoate) chromium
    Molecular formula:
    C30H19CrNaN5O9S
    IUPAC Name:
    Monosodium [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] (2-aminobenzoate) chromium
    Constituent 4
    Chemical structure
    Reference substance name:
    disodium 5-((E)-(2,6-dihydroxy-3-((E)-(5-sulfonato-5,8-dihydronaphthalen-1-yl)diazenyl)phenyl)diazenyl)naphthalene-1-sulfonate
    CAS Number:
    5850-16-8
    Molecular formula:
    C26H18Na2N4O8S2
    IUPAC Name:
    disodium 5-((E)-(2,6-dihydroxy-3-((E)-(5-sulfonato-5,8-dihydronaphthalen-1-yl)diazenyl)phenyl)diazenyl)naphthalene-1-sulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium 2-((E)-(2,4-dihydroxy-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate
    Molecular formula:
    C23H14Na2N4O7S
    IUPAC Name:
    sodium 2-((E)-(2,4-dihydroxy-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate
    Constituent 6
    Reference substance name:
    isomer of monosodium [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] (2-aminobenzoate) chromium
    Molecular formula:
    C30H19CrNaN5O9S
    IUPAC Name:
    isomer of monosodium [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] (2-aminobenzoate) chromium
    Constituent 7
    Chemical structure
    Reference substance name:
    disodium [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] [(E)-2-((4-hydroxy-2-oxidophenyl)diazenyl)benzoate] chromate (3-)
    Molecular formula:
    C36H20CrNa2N6O11S
    IUPAC Name:
    disodium [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] [(E)-2-((4-hydroxy-2-oxidophenyl)diazenyl)benzoate] chromate (3-)
    Constituent 8
    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 9
    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 10
    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 11
    Reference substance name:
    sum of non dangerous constituents each >1%
    Molecular formula:
    not applicable
    IUPAC Name:
    sum of non dangerous constituents each >1%
    Constituent 12
    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%
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4-nitroaniline
    EC Number:
    202-810-1
    EC Name:
    4-nitroaniline
    CAS Number:
    100-01-6
    Molecular formula:
    C6H6N2O2
    IUPAC Name:
    4-nitroaniline
    Constituent 2
    Reference substance name:
    sum of isomers of the main component
    Molecular formula:
    C46H26CrN8O14S2.3Na
    IUPAC Name:
    sum of isomers of the main component
    Constituent 3
    Chemical structure
    Reference substance name:
    disodium 2-[(E)-2-{2,4-dihydroxy-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate
    Molecular formula:
    C23H14N4Na2O7S
    IUPAC Name:
    disodium 2-[(E)-2-{2,4-dihydroxy-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate
    Constituent 4
    Reference substance name:
    Compound 1
    Molecular formula:
    not available
    IUPAC Name:
    Compound 1
    Constituent 5
    Reference substance name:
    Compound 2
    Molecular formula:
    not available
    IUPAC Name:
    Compound 2
    Constituent 6
    Reference substance name:
    Compound 3
    Molecular formula:
    not available
    IUPAC Name:
    Compound 3
    Constituent 7
    Chemical structure
    Reference substance name:
    Compound 4
    Molecular formula:
    C53H34CrN9Na3O17S3
    IUPAC Name:
    Compound 4
    Constituent 8
    Chemical structure
    Reference substance name:
    Compound 6
    Molecular formula:
    C69H43CrN13Na4O21S4
    IUPAC Name:
    Compound 6
    Constituent 9
    Chemical structure
    Reference substance name:
    Compound 7
    Molecular formula:
    C30H17CrN4NaO10S
    IUPAC Name:
    Compound 7
    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
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    400-320-4
    EC Name:
    -
    CAS Number:
    94933-05-8
    Molecular formula:
    C46H26CrN8Na3O14S2
    IUPAC Name:
    Trisodium, bis [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] chromate(3-)
    Constituent 2
    Reference substance name:
    sum of isomers of the main component
    Molecular formula:
    C46H26CrN8Na3O14S2
    IUPAC Name:
    sum of isomers of the main component
    Constituent 3
    Chemical structure
    Reference substance name:
    Disodium 4,4'-[(2,4-dihydroxy-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate
    EC Number:
    227-447-6
    EC Name:
    Disodium 4,4'-[(2,4-dihydroxy-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate
    CAS Number:
    5850-16-8
    Molecular formula:
    C26H18Na2N4O8S2
    IUPAC Name:
    disodium 5-((E)-(2,6-dihydroxy-3-((E)-(5-sulfonato-5,8-dihydronaphthalen-1-yl)diazenyl)phenyl)diazenyl)naphthalene-1-sulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    disodium 2-[(E)-2-{2,4-dihydroxy-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate
    Molecular formula:
    C23H14N4Na2O7S
    IUPAC Name:
    disodium 2-[(E)-2-{2,4-dihydroxy-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate
    Constituent 5
    Chemical structure
    Reference substance name:
    Trisodium 2-[(E)-2-{4-hydroxy-2-oxido-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate 5-hydroxy-2,4-bis[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]benzen-1-olate chromate(3-)
    Molecular formula:
    C49H28CrN8Na3O15S3
    IUPAC Name:
    Trisodium 2-[(E)-2-{4-hydroxy-2-oxido-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate 5-hydroxy-2,4-bis[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]benzen-1-olate chromate(3-)
    Constituent 6
    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 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 sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    Disodium sulfate
    Constituent 9
    Reference substance name:
    sum of non dangerous constituents
    Molecular formula:
    not applicable
    IUPAC Name:
    sum of non dangerous constituents


    Constituent 1
    Chemical structure
    Reference substance name:
    Reaction products of diazotised anthranilic acid and resorcinol, subsequently coupled with diazotised 5-aminonaphthalene-1-sulfonic acid and chelated with chromium (3+), sodium salts
    EC Number:
    700-942-9
    CAS Number:
    94933-05-8
    Molecular formula:
    not applicable
    IUPAC Name:
    Reaction products of diazotised anthranilic acid and resorcinol, subsequently coupled with diazotised 5-aminonaphthalene-1-sulfonic acid and chelated with chromium (3+), sodium salts


    Constituent 1
    Chemical structure
    Reference substance name:
    Reaction products of diazotised anthranilic acid and resorcinol, subsequently coupled with diazotised 5-aminonaphthalene-1-sulfonic acid and chelated with chromium (3+), sodium salts
    EC Number:
    700-942-9
    CAS Number:
    94933-05-8
    Molecular formula:
    not applicable
    IUPAC Name:
    Reaction products of diazotised anthranilic acid and resorcinol, subsequently coupled with diazotised 5-aminonaphthalene-1-sulfonic acid and chelated with chromium (3+), sodium salts


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    400-320-4
    EC Name:
    -
    CAS Number:
    94933-05-8
    Molecular formula:
    C46H26CrN8Na3O14S2
    IUPAC Name:
    Trisodium, bis [2-((E)-(4-hydroxy-2-oxido-3-((E)-(5-sulfonatonaphthalen-1-yl)diazenyl)phenyl)diazenyl)benzoate] chromate(3-)
    Constituent 2
    Reference substance name:
    sum of isomers of the main component
    Molecular formula:
    C46H26CrN8Na3O14S2
    IUPAC Name:
    sum of isomers of the main component
    Constituent 3
    Chemical structure
    Reference substance name:
    Disodium 4,4'-[(2,4-dihydroxy-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate
    EC Number:
    227-447-6
    EC Name:
    Disodium 4,4'-[(2,4-dihydroxy-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate
    CAS Number:
    5850-16-8
    Molecular formula:
    C26H18Na2N4O8S2
    IUPAC Name:
    disodium 5-((E)-(2,6-dihydroxy-3-((E)-(5-sulfonato-5,8-dihydronaphthalen-1-yl)diazenyl)phenyl)diazenyl)naphthalene-1-sulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    disodium 2-[(E)-2-{2,4-dihydroxy-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate
    Molecular formula:
    C23H14N4Na2O7S
    IUPAC Name:
    disodium 2-[(E)-2-{2,4-dihydroxy-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate
    Constituent 5
    Chemical structure
    Reference substance name:
    Trisodium 2-[(E)-2-{4-hydroxy-2-oxido-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate 5-hydroxy-2,4-bis[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]benzen-1-olate chromate(3-)
    Molecular formula:
    C49H28CrN8Na3O15S3
    IUPAC Name:
    Trisodium 2-[(E)-2-{4-hydroxy-2-oxido-5-[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]benzoate 5-hydroxy-2,4-bis[(E)-2-(5-sulfonatonaphthalen-1-yl)diazen-1-yl]benzen-1-olate chromate(3-)
    Constituent 6
    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 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 sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    Disodium sulfate
    Constituent 9
    Reference substance name:
    sum of non dangerous constituents
    Molecular formula:
    not applicable
    IUPAC Name:
    sum of non dangerous constituents

    Composition(s) generated upon use

    Other types of composition(s)