Process for decolorizing cyclopropanecarboxylic acid

Details Process for decolorizing cyclopropanecarboxylic acid Process for decolorizing cyclopropanecarboxylic acid

1996-04-01

1997-05-27

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 6104

Patent

active

056334010

ABSTRACT:
Disclosed is a process for the conversion of off-color cyclopropanecarboxylic acid (CPC-Acid) to CPC-Acid having a color value (platinum-cobalt scale) of less than about 10 by the steps of (1) heating off-color CPC-Acid produced by the oxidation of cyclopropanecarboxaldehyde with molecular oxygen with a strong acid; and (2) distilling the mixture of step (1) to obtain CPC-Acid having a color value of less than about 10 as the distillate product.

REFERENCES:
patent: 5504245 (1996-04-01), Laing

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