Molecular formula :
density : 1.13
melting point : 147 ~ 148 ° C
traits : it is pure white crystalline powder, Bitterpungent sweet.
dissolved : soluble in ethanol, acetone and benzene-soluble carbon tetrachloride, almost insoluble in water and petrol.
purposes : mainly used for rubber vulcanization accelerator, the system is also used to dye. Pure reagents used as a benchmark.
preparation or sources : from N, N'-diphenyl-thiourea in the presence of ammonia oxidation lead, with metal oxides derived desulfurization, or by Cyanogen Chloride role with aniline derived.
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