Process for purifying monochloroacetic acid

Details Process for purifying monochloroacetic acid Process for purifying monochloroacetic acid

1981-01-12

1983-05-10

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

562603, C07C 5143

Patent

active

043831214

ABSTRACT:
A mixture containing monochloroacetic acid and dichloroacetic acid as the main components are admixed with 5-25% by weight of water on the basis of sum total of monochloroacetic acid, dichloroacetic acid and water, and subjected to adiabatic cooling under a pressure of 133 to 2,660 Pa, whereby monochloroacetic acid is crystallized with a high purity.

REFERENCES:
patent: 2539238 (1951-01-01), Eaker
patent: 2809214 (1957-10-01), Haimsohn
patent: 3365493 (1968-01-01), Line

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