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ChemicalBook CAS DataBase List sodium p-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]benzenesulphonate
4156-21-2

sodium p-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]benzenesulphonate synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

with sodium hydroxide in water at 10; pH=6;

Steps:

9

A solution of 18.2 parts aniline-4-sulphonic acid and 4.2 parts sodium hydroxide in 20parts water is added to a stirred suspension of 19.4 parts cyanuric chloride in 60 partsice water. The pH is kept at 6 by the dropwise addition of 30% sodium hydroxide. Themixture is stirred below 10°C until primary aromatic amine groups can no longer bedetected by the diazo reaction.

References:

WO2006/573,2006,A1 Location in patent:Page/Page column 13