Process for the preparation of amidosulfonic acid

Details Process for the preparation of amidosulfonic acid Process for the preparation of amidosulfonic acid

1977-08-22

1978-08-15

Vertiz, O. R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C01B 1700

Patent

active

041072790

ABSTRACT:
When sulfur trioxide is reacted with ammonia, a melted reaction product containing mainly the ammonium salts of amidosulfonic acid and imido-disulfonic acid is obtained. According to the invention the melted reaction product is introduced into mineral acids. From the resulting solution, free amidosulfonic acid precipitates in high yield.

REFERENCES:
patent: 3661516 (1972-05-01), Hofmeister

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