Trisodium salt of 2,4,6-trisodium mercapto-s-triazine monohydrate and method for its preparation

US4849517A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

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

Key dates

• Filing date: Aug 26, 1988
• Grant date: Jul 18, 1989
• Expiry date: Aug 26, 2008

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 non-ahydrate (TMT-Na.sub.3 9H.sub.2 O) is prepared by reacting cyanuric chloride with NaHS and NaOH or with amixture of NaHS and Na.sub.2 S and NaOH in an alkaline, aqueous medium.