Method for separating mono- and di-octylphenyl phosphoric acid e

Details Method for separating mono- and di-octylphenyl phosphoric acid e Method for separating mono- and di-octylphenyl phosphoric acid e

1975-11-17

1977-09-27

Sutto, Anton H.

Chemistry of carbon compounds

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

C07F 909

Patent

active

040512029

ABSTRACT:
A method for separating mono-octylphenyl phosphoric acid ester and di-octylphenyl phosphoric acid ester from a mixture thereof comprises reacting the ester mixture with a source of lithium or sodium ions to form a mixture of the phosphate salts; contacting the salt mixture with an organic solvent which causes the dioctylphenyl phosphate salt to be dissolved in the organic solvent phase and the mono-octylphenyl phosphate salt to exist in a solid phase; separating the phases; recovering the phosphate salts from their respective phases; and acidifying the recovered salts to form the original phosphoric acid esters.

REFERENCES:
patent: 2658909 (1953-11-01), Crandall et al.

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