Inhibition of crystallization of O-ethyl-O-(4-nitrophenyl)-pheny

Details Inhibition of crystallization of O-ethyl-O-(4-nitrophenyl)-pheny Inhibition of crystallization of O-ethyl-O-(4-nitrophenyl)-pheny

1976-09-16

1977-12-27

Raymond, Richard L.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260954, 260973, C07F 940

Patent

active

040655253

ABSTRACT:
Crystallization of O-ethyl-O-(4-nitrophenyl)-phenylphosphonothioate is inhibited by maintaining therein between about 6 and about 12% by weight of bis-(O-4-nitrophenyl)-phenylphosphonothioate, optionally standardizing the active ingredient content to a predetermined level, preferably 80%, and or optionally destroying seed crystals present in the inhibited composition in order to extend the effectiveness of the crystallization inhibitor.

REFERENCES:
patent: 2503390 (1950-04-01), Jelinek
patent: 3327026 (1967-06-01), Shindo et al.
patent: 3896192 (1975-07-01), Sehring et al.

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