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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

IUPAC name:
potassium disodium 4-({4-chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl}amino)-2-[(E)-2-[1-ethyl-6-hydroxy-4-methyl-2-oxo-5-(sulfomethyl)-1,2-dihydropyridin-3-yl]diazen-1-yl]benzene-1-sulfonate

Inventory

EC number:
402-480-0
EC name:
-
CAS number:
-
Description:
AZO GELB 2498; AZO YELLOW 2498; GIALLO AZO 2498; JAUNE AZO 2498
CAS number:
111850-26-1
Synonyms
Names:
Potassium sodium 5-(5-(4-chloro-6-(4-sulfonatophenylamino)-1,3,5-triazin-2-ylamino)-2-sulfonatophenylazo)-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinemethanesulfonate

Molecular and structural information

Molecular formula:
C24H23ClN8O11S3.xK.yNa
Molecular weight:
>= 791.19 - <= 829.28
SMILES notation:
O=S(CC(C(C)=C(C1=O)N=Nc2cc(Nc3nc(Nc4ccc(S(O)(=O)=O)cc4)nc(Cl)n3)ccc2S(=O)(O)=O)=C(N1CC)O)(O)=O[K][Na]
Structural formula:
Chemical structure

Related substances