Title: Carbohydrazide
CAS Registry Number: 497-18-7
CAS Name: Carbonic dihydrazide
Synonyms: 1,3-diaminourea
Molecular Formula: CH6N4O
Molecular Weight: 90.08
Percent Composition: C 13.33%, H 6.71%, N 62.20%, O 17.76%
Line Formula: NH2NHCONHNH2
Literature References: Prepd by refluxing diethyl carbonate with hydrazine hydrate: Mohr
et al., Inorg. Synth. 4, 32 (1953).
Properties: Crystals from water + ethanol, dec 153-154°. Freely sol in water. pH of 1% aq soln ~7.4. Practically insol in alcohol, ether, chloroform, benzene. Forms salts with acids. With nitrous acid it forms the highly explosive carbonyl azide CO(N3)2.