Conversion of picrate to picric acid in a liquid-liquid two phas

Details Conversion of picrate to picric acid in a liquid-liquid two phas Conversion of picrate to picric acid in a liquid-liquid two phas

1998-09-09

1999-12-07

Shippen, Michael L.

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

Organic compounds

Oxygen containing

568708, C07C20500

Patent

active

05998676&

ABSTRACT:
A process for the conversion of a picrate salt, preferably ammonium pricrate, to picric acid by acidifying the picrate salt in a two phase liquid system. One phase is an aqueous phase which contains an acid which is effective for acidifying ammonium picrate to picric acid and the other phase is an organic solvent phase in which the picric acid is soluble.

REFERENCES:
patent: 4804480 (1989-02-01), Jayawant
patent: 5530175 (1996-06-01), Johnson et al.

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