PRODUCTION OF AMINOETHANESULFONIC ACID - MITSUI TOATSU CHEMICALS

Title:

PRODUCTION OF AMINOETHANESULFONIC ACID

Document Type and Number:

Japanese Patent JPH08157444

Kind Code:

A

Abstract:

PURPOSE: To obtain aminoethanesulfonic acid having excellent quality at a high yield by easily removing metals derived from a raw material system with an inorganic salt.

CONSTITUTION: In a method producing aminoethanesulfonic acid by reacting hydrochloric acid salt of chloroethylamine with sodium sulfite, a mineral acid is added so as to be 0.3-8.0wt.% to water in the reacted solution, an alcohol is added and aminoethanesulfonic acid is crystallized to produce aminoethanesulfonic acid.

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Inventors:

OSABE MASAMI
OZAWA SHUJI
MITA RYUICHI

Application Number:

JP29622794A

Publication Date:

June 18, 1996

Filing Date:

November 30, 1994

Export Citation:

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Assignee:

MITSUI TOATSU CHEMICALS

International Classes:

C07C303/02; C07C303/44; C07C309/14; (IPC1-7): C07C309/14; C07C303/02; C07C303/44

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