Prepd from sulfamide, H2NSO2NH2 and formaldehyde in 60% H2SO4: Hecht, Henecka, Angew. Chem.61, 365 (1949). Toxicity: Hagen, Dtsch. Med. Wochenschr.75, 183 (1950).
Properties
Cubic crystals from acetone, dec 255-260°. Violent convulsive poison. Stable to acids
and alkalies in dilutions up to 0.1N. Dec upon prolonged
boiling of aq solns. Soly in water about 0.25 mg/ml. Slightly sol
in acetone. Insol in methanol, ethanol. LD in
mice (mg/kg): 0.20 orally or s.c. (Hagen).