Name:C.I.Reactive Yellow 2,C.I.18972

Molecular Structure: Single azo class


C.I.Reactive Yellow 2,C.I.18972,CAS 50662-99-2,872.97,C25H15Cl3N9Na3O10S3,Reactive Brilliant Yellow K-4GL,Reactive Yellow P-5G,Reactive Brilliant Yellow K-6G

Molecular Formula:C25H15Cl3N9Na3O10S3

Molecular Weight: 872.97

CAS Registry Number:50662-99-2

Manufacturing Methods : 2,4-Diaminobenzenesulfonic acid and 2,4,6-Trichloro-1,3,5-triazine  first condensation, and then diazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid second condensation and salting-out.