a monochloressigsu00e4ure with reduced dichloressigsu00e4uregehalt can manufactureby using the raw monochloressigsu00e4ure in the presence of a base metal of a temperaturbehandlung subjects and the reaction product then distilled.the purified monochloressigsu00e4ure is particularly suited for the manufacture of amphoteren or as alkylierungsmittel zwitterionischen surfactants.
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