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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
trisodium 4-[[1-hydroxy-6-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]amino]-3-sulphonato-2-naphthyl]azo]benzoate

Inventory

EC number:
229-539-1
EC name:
Trisodium 4-[[1-hydroxy-6-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]amino]-3-sulphonato-2-naphthyl]azo]benzoate
CAS number:
6598-63-6
CAS number:
6598-63-6
Synonyms
Names:
Reaction mass of trisodium 4-[[1-hydroxy-6-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]amino]-3-sulphonato-2-naphthyl]azo]benzoate and tetrasodium 4,4'-[carbonylbis[imino(1-hydroxy-3-sulphonatonaphthalene-6,2-diyl)azo]]dibenzoate and disodium 7,7'-(carbonyldiimino)bis[4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate]

Molecular and structural information

Molecular formula:
Reaction mass of C35H20N6Na4O13S2 and C34H21N6Na3O11S2 and C33H22N6Na2O9S2
Molecular weight:
>= 756.68 - <= 822.67
Structural formula:
Chemical structure

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