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Molecular formula : CH2N2 MW : 42.04 CAS No. 420-480-04-2
nature : colorless crystal. The temperature 42 ° C, the boiling point of 140 ° C (2.53kPa), the relative density of 1.282 (20 ° C). Dissolved in water, alcohol, ether, chloroform and benzene, cyclohexane insoluble. Together with steam volatile. Yi polymerization.
Preparation : 1. By lime nitrogen react with sulfuric acid derived. 2. Urea law.
purposes : the pharmaceutical industry for the production of raw materials hydrochloride cytarabine, the dye industry for the production of intermediates 3-amino-5-hydroxy-1 ,2,4 - triazole. In addition, for organic synthesis and plastic raw materials, production of urea cyanide-lactamase, dicyandiamide, such as cyanide carbamate.
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