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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 6-amino-4-naphthol-2-sulfonic acid with formaldehyde and sodium metabisulfite, coupled with diazotised 5-amino-2,4-dinitrophenol, chelated with chromium (3+), sodium salts
EC Number:
946-768-9
Molecular formula:
uvcb substance
IUPAC Name:
Reaction products of 6-amino-4-naphthol-2-sulfonic acid with formaldehyde and sodium metabisulfite, coupled with diazotised 5-amino-2,4-dinitrophenol, chelated with chromium (3+), sodium salts

Type of Substance

Composition:
UVCB
Origin:
organometallic

Substance Identifiers

Compositions

Boundary Composition(s) open all close all

State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
chromium, bis sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-((sulfonatomethyl)amino)naphthalene-2-sulfonate
Molecular formula:
C34H18CrN10Na5O24S4
IUPAC Name:
chromium, bis sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-((sulfonatomethyl)amino)naphthalene-2-sulfonate
Constituent 2
Reference substance name:
Inorganic salts
IUPAC Name:
Inorganic salts
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:
Water

Legal Entity Composition(s) open all close all

State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
chromium, bis sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-((sulfonatomethyl)amino)naphthalene-2-sulfonate
Molecular formula:
C34H18CrN10Na5O24S4
IUPAC Name:
chromium, bis sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-((sulfonatomethyl)amino)naphthalene-2-sulfonate
Constituent 2
Chemical structure
Reference substance name:
chromium, sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium (E)-6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Molecular formula:
C33H16CrN10Na3O18S2
IUPAC Name:
chromium, sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium (E)-6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Constituent 3
Chemical structure
Reference substance name:
chromium, sodium 4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium 6-(ethylamino)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Molecular formula:
C35H20CrN10Na3O18S2
IUPAC Name:
chromium, sodium 4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium 6-(ethylamino)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Constituent 4
Chemical structure
Reference substance name:
chromium, bis (sodium 6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate)
Molecular formula:
C32H16CrN10Na3O18S2
IUPAC Name:
chromium, bis (sodium 6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate)
Constituent 5
Reference substance name:
Sum of organic non dangerous constituents each < 1%
IUPAC Name:
Sum of organic non dangerous constituents each < 1%
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:
Water
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:
Na2SO4
IUPAC Name:
Disodium sulphate
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
chromium, bis sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-((sulfonatomethyl)amino)naphthalene-2-sulfonate
Molecular formula:
C34H18CrN10Na5O24S4
IUPAC Name:
chromium, bis sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-((sulfonatomethyl)amino)naphthalene-2-sulfonate
Constituent 2
Chemical structure
Reference substance name:
chromium, sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium (E)-6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Molecular formula:
C33H16CrN10Na3O18S2
IUPAC Name:
chromium, sodium (E)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium (E)-6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Constituent 3
Chemical structure
Reference substance name:
chromium, sodium 4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium 6-(ethylamino)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Molecular formula:
C35H20CrN10Na3O18S2
IUPAC Name:
chromium, sodium 4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)-6-(methyleneamino)naphthalene-2-sulfonate, sodium 6-(ethylamino)-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate
Constituent 4
Chemical structure
Reference substance name:
chromium, bis (sodium 6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate)
Molecular formula:
C32H16CrN10Na3O18S2
IUPAC Name:
chromium, bis (sodium 6-amino-4-hydroxy-3-((5-hydroxy-2,4-dinitrophenyl)diazenyl)naphthalene-2-sulfonate)
Constituent 5
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%
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:
Water
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:
Na2SO4
IUPAC Name:
Disodium sulphate

Composition(s) generated upon use

Other types of composition(s)