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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference substances

Reference substances

Currently viewing:
IUPAC name:
trisodium [5-[[4-[(3-chloro-2-hydroxy-5-sulphophenyl)azo]-3-hydroxyphenyl]azoxy]-2-[2-(4-nitro-2-sulphophenyl)vinyl]benzenesulphonato(5-)]cuprate(3-)

Inventory

EC number:
274-550-7
EC name:
Trisodium [5-[[4-[(3-chloro-2-hydroxy-5-sulphophenyl)azo]-3-hydroxyphenyl]azoxy]-2-[2-(4-nitro-2-sulphophenyl)vinyl]benzenesulphonato(5-)]cuprate(3-)
CAS number:
70304-38-0
CAS number:
70304-38-0
Synonyms
Names:
Identifier:
CAS number
70304-38-0
Identifier:
IUPAC name
trisodium [5-[[4-[(3-chloro-2-hydroxy-5-sulphophenyl)azo]-3-hydroxyphenyl]azoxy]-2-[2-(4-nitro-2-sulphophenyl)vinyl]benzenesulphonato(5-)]cuprate(3-)
Identifier:
Colour Index
Direct Brown 103
Identifier:
other: Molecular formula
C26H13ClCuN5O14S3.3Na
Reaction products of diazotised 3-amino-5-chloro-4-hydroxybenzenesulphonic acid coupled with 3-methoxyaniline and 4,4'-dinitrostilbene-2,2'-disulphonic acid, chelated with copper, sodium salts

Molecular and structural information

Molecular formula:
UVCB
Molecular weight:
> 350 - < 1 170
SMILES notation:
UVCB
InChl:
UVCB
Structural formula:
Chemical structure

Related substances

Identifier:
CAS number
Identity:
70304-38-0