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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)
EC Number:
260-906-9
EC Name:
Trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)
CAS Number:
57693-14-8
Molecular formula:
C40H20CrN6O14S2.3Na
IUPAC Name:
trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)

Type of Substance

Composition:
UVCB
Origin:
organometallic

Substance Identifiers open all close all

  • 57693-14-8
  • Acid Black 194/172
  • Acid black 172/194
  • Everacid SA27
  • OSTATON ČERNÝ R-F
  • RYLANOVÁ ČERŇ R
  • RYLANOVÁ ČERŇ R-F
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    isomere of trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)
    Molecular formula:
    C4OH2OCrN6Na3O14S2
    IUPAC Name:
    isomere of trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)
    Constituent 2
    Reference substance name:
    unknown
    Molecular formula:
    not applicable
    IUPAC Name:
    unknown
    Constituent 3
    Reference substance name:
    Sum of unknown impurities under 1 %
    Molecular formula:
    not applicable
    IUPAC Name:
    Sum of unknown impurities under 1 %
    Constituent 4
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    water

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    isomere of trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)
    Molecular formula:
    C4OH2OCrN6Na3O14S2
    IUPAC Name:
    isomere of trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)
    Constituent 2
    Reference substance name:
    unknown
    Molecular formula:
    not applicable
    IUPAC Name:
    unknown
    Constituent 3
    Reference substance name:
    Sum of unknown impurities under 1 %
    Molecular formula:
    not applicable
    IUPAC Name:
    Sum of unknown impurities under 1 %
    Constituent 4
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    water
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    isomers of bis[3-(hydroxy-kO)-4-{[2-(hydroxy-kO)naphthalen-1-yl]diazenyl}-7-nitronaphthalene-1-sulfonato(2-)]chromium
    Molecular formula:
    C40H22CrN6O14S2
    IUPAC Name:
    isomers of bis[3-(hydroxy-kO)-4-{[2-(hydroxy-kO)naphthalen-1-yl]diazenyl}-7-nitronaphthalene-1-sulfonato(2-)]chromium
    Constituent 2
    Reference substance name:
    not applicable
    Molecular formula:
    not applicable
    IUPAC Name:
    not applicable
    Constituent 3
    Chemical structure
    Reference substance name:
    3-hydroxy-7-nitronaphthalenesulphonic acid
    EC Number:
    271-163-5
    EC Name:
    3-hydroxy-7-nitronaphthalenesulphonic acid
    CAS Number:
    68516-57-4
    Molecular formula:
    C10H7NO6S
    IUPAC Name:
    3-hydroxy-7-nitronaphthalene-1-sulfonic acid