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Molecular formula : H2NCN CAS :
nature : colorless acicular crystals. 42 ° C melting point. The boiling point of 140 ° C (2.53kPa). The relative density of 1.282. Refractive index of 1.4418. Soluble in water, ethanol, ethyl ether, benzene, chloroform, acetone, etc., micro-soluble carbon disulfide. Toxic. Yi polymerization. The 122 ° C into two cyanamide (dicyanmide) (CN) 2NH. Yes EDCI (carbodimide) isomers : H2NCNHN = C = NH. Available calcium cyanide [Ca (CN) 2] and the role of sulfate or cyanogen bromide (CNBr) reaction with ammonia, thiourea desulfurization Preparation. Reagents for Organic Synthesis. Preparation for guanidine compounds, thiourea, the drug cytarabine, cyanide carbamate (carbendazim raw materials), barbituric acid, sulfa drugs, but also for reducing agent, stabilizer, promoting agent, curing agents.
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