Process for the production of thiocarbohydrazide

Details Process for the production of thiocarbohydrazide Process for the production of thiocarbohydrazide

1989-03-17

1990-07-24

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C33706

Patent

active

049436600

ABSTRACT:
Thiocarbohydrazide (TCH) is made by reacting carbon disulfide and hydrazine in the presence of a mercaptan at an elevated temperature. The TCH is removed from the reaction mixture, the mother liquor is further treated to form HDTC which is further reacted to form TCH and the mother liquor is recycled. A major advantage of this process is the recyclability of the mother liquor without reduction in TCH yield.

REFERENCES:
patent: 2726263 (1955-12-01), Audrieth et al.
patent: 4172092 (1979-10-01), Malone

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