Method of preparing trisodium 2,4,6-mercapto-s-triazine nonahydrate

US5006654A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Karl Ludwig · Schleiden, DE
• Edwin van Raemdonck · Beveren, BE
• Klaus Stutzel · Frankfurt, DE
• Marcel Vingerhoets · Brecht, BE

Key dates

• Filing date: May 23, 1989
• Grant date: Apr 9, 1991
• Expiry date: May 23, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D251/38
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The trisodium salt of 2,4,6-trimercapto-s-triazine nonahydrate (TMT-Na.sub.3 9H.sub.2 O) is prepared by reacting cyanuric chloride with NaHS and NaOH or with a mixture of NaHS and Na.sub.2 S and NaOH in an alkaline, aqueous medium.