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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 2-naphtol coupled with diazotised 4-amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid, diazotised 4-amino-3-hydroxy naphthalene-1-sulfonic and diazotised 2-amino-4 (or 5)-nitrophenol, chelated with chromium (3+), sodium salts
EC Number:
941-684-9
CAS Number:
1689527-25-0
Molecular formula:
UVCB
IUPAC Name:
Reaction products of 2-naphtol coupled with diazotised 4-amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid, diazotised 4-amino-3-hydroxy naphthalene-1-sulfonic and diazotised 2-amino-4 (or 5)-nitrophenol, 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:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
EC Number:
288-978-7
EC Name:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
CAS Number:
85958-90-3
Molecular formula:
C36H19CrN6Na2O11S
IUPAC Name:
sodium [((E)-7-nitro-3-oxido-4-((2-oxidonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate (2-))(E)-1-((4-nitro-2-oxidophenyl)diazenyl)naphthalen-2-olate (2-) chromate(-1)]
Constituent 2
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 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

Legal Entity Composition(s) open all close all

State Form:
solid: particulate/powder


Constituent 1
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 2
Chemical structure
Reference substance name:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
EC Number:
288-978-7
EC Name:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
CAS Number:
85958-90-3
Molecular formula:
C36H19CrN6Na2O11S
IUPAC Name:
sodium [((E)-7-nitro-3-oxido-4-((2-oxidonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate (2-))(E)-1-((4-nitro-2-oxidophenyl)diazenyl)naphthalen-2-olate (2-) chromate(-1)]
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 1
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 2
Chemical structure
Reference substance name:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
EC Number:
288-978-7
EC Name:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
CAS Number:
85958-90-3
Molecular formula:
C36H19CrN6Na2O11S
IUPAC Name:
sodium [((E)-7-nitro-3-oxido-4-((2-oxidonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate (2-))(E)-1-((4-nitro-2-oxidophenyl)diazenyl)naphthalen-2-olate (2-) chromate(-1)]
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
State Form:
solid: bulk


Constituent 1
Chemical structure
Reference substance name:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
EC Number:
288-978-7
EC Name:
Disodium [3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)][1-[[2-hydroxy-4(or5)-nitrophenyl]azo]-2-naphtholato(2-)]chromate(2-)
CAS Number:
85958-90-3
Molecular formula:
C36H19CrN6Na2O11S
IUPAC Name:
sodium [((E)-7-nitro-3-oxido-4-((2-oxidonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate (2-))(E)-1-((4-nitro-2-oxidophenyl)diazenyl)naphthalen-2-olate (2-) chromate(-1)]
Constituent 2
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

Composition(s) generated upon use

Other types of composition(s)