Title: Gynthetic process of phosphorus methylamine
Application Number: 91101697 Application Date: 1991.03.18
Publication Number: 1055538 Publication Date: 1991.10.23
Approval Pub. Date: Granted Pub. Date: 1994.02.23
International Classifi-cation: C07F9/24
Applicant(s) Name: Nankai Univ. Address: 300071
Inventor(s) Name: Tang Chuchi
Attorney & Agent: WANG HUILIN TIAN HAIAN
Abstract:
     Phosphorus methylamine is a high effective and wide spetral organic phosphorus insecticide. This invention uses O,O,O-trimethyl thiophosphate as raw material. Phosphorus methylamine is made by two reactions-isomeric chlorination and ammonolysis. The purity of said product may be as high as 91.3%, the total rate of recovery attain 72-78% (based on weight of raw material).
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