Process for purifying 2-acrylamido-2-methylpropanesulfonic acid

Details Process for purifying 2-acrylamido-2-methylpropanesulfonic acid Process for purifying 2-acrylamido-2-methylpropanesulfonic acid

1979-01-31

1982-06-29

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14302

Patent

active

043372155

ABSTRACT:
This disclosure relates to a process for the purification of 2-acrylamido-2-methylpropanesulfonic acid, which comprises dissolving said sulfonic acid in hydrous acetic acid of a water content of 3 to 80% by weight at 60.degree. to 110.degree. C. and subjecting the resulting solution to recrystallization. The purified product thus obtained is useful particularly as a starting material in preparing a high-molecular-weight polymer or copolymer.

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