Process for obtaining guanidine hydrohalides from by-product mix

Details Process for obtaining guanidine hydrohalides from by-product mix Process for obtaining guanidine hydrohalides from by-product mix

1989-03-07

1990-04-03

Reamer, James H.

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

Organic compounds

Amino nitrogen containing

C07C12900

Patent

active

049142356

ABSTRACT:
The present invention provides a process for obtaining guanidine hydrohalides from the by-product mixture obtained in the production of mercaptoalkylsilanes and consisting essentially of guanidine hydrohalide, ammonium halide, thiourea and silane compounds, wherein the by-product mixture is extracted with an aliphatic ketone containing up to 7 carbon atoms and the extract is separated from the residue containing the guanidine hydrohalide.

REFERENCES:
patent: 3984471 (1976-10-01), Weinrotter et al.
patent: 4556724 (1985-12-01), Seiler et al.

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