Process of purifying dihydrocarbylchlorothiophosphates

Details Process of purifying dihydrocarbylchlorothiophosphates Process of purifying dihydrocarbylchlorothiophosphates

1999-02-12

2000-01-25

Ambrose, Michael G.

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

Organic compounds

Phosphorus esters

558202, C07F 914

Patent

active

060180676

ABSTRACT:
Crude dihydrocarbylchlorothiophosphate product contaminated with dihydrocarbylpolysulfide and/or dihydrocarbylchlorophosphate is upgraded by treating the crude product with an aqueous hypochlorite solution, and separating an aqueous phase from the organic, then drying to obtain the resultant product.

REFERENCES:
patent: 3089890 (1963-05-01), Chupp et al.
patent: 4247490 (1981-01-01), Bergeron et al.

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