Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Reaction mass of Tetrasodium 5-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]-2-[2-[2-sulfonato-4-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]ethenyl]benzenesulfonate and Hexasodium 2-((E)-2-sulfonato-4-((E)-(3-sulfonato-4-((E)-2-sulfonato-4-((E)-(4-((E)-(4-sulfonatophenyl)diazenyl)phenyl)diazenyl)styryl)phenyl)diazenyl)styryl)-5-((E)-(4-((E)-(4- sulfona-tophenyl)diazenyl)phenyl)diazenyl)benzenesulfonate.

Inventory

EC number:
215-397-8
EC name:
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, disodium salt, reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid, sodium salts
CAS number:
1325-54-8
Description:
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 40215.
CAS number:
1325-54-8

Synonyms

Molecular and structural information

Molecular formula:
Molecular formula of the main constituents:
(1) C38H24N8Na4O12S4
(2) C52H32N10Na6O18S6
Molecular weight:
ca. 1 004 - 1 414

Related substances

open allclose all
Identifier:
CAS number
Identity:
50814-31-8
Identifier:
CAS number
Identity:
32651-66-4