8922. Sulfamide

Nomenclature

CAS number: 7803-58-9
Sulfuryl amide.
H4N2O2S; mol wt 96.11.
H 4.19%, N 29.15%, O 33.29%, S 33.36%.
H2NSO2NH2.

Description and references

Prepd from sulfuryl chloride and gaseous ammonia: Traube, Ber. 25, 2427 (1892); 26, 610 (1893); Hantzsch, Holl, Ber. 34, 3430 (1902); Schenk in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 482-483.

Properties

Orthorhombic, tasteless plates from abs alcohol, mp 93°; dec 250°. Dipole moment: 3.9. Freely sol in water, hot alcohol, acetone. Sparingly sol in cold alc. Solid and solns are stable.

Note

Not to be confused with ammonium sulfamate or with sulfanilamide.

Use

Similar to urea in many of its reactions, but is more acidic, and can act as a dibasic acid.