Molecular formula: (NH2) 2CS
Molecular weight: 76.12
Property: white rhombic or needle bright crystal. It is bitter and inflammable. Specific gravity is 1.046; melting point is 170-182 , decomposed when being further heated. It will be sublimated when decompressed at 150-160 . It is soluble in cold water, ammonia thiocyanate solvent and alcohol, hardly soluble in diethyl ether.
Uses: pharmaceutical raw material, bleaching agent in textile dyeing and printing, auxiliary of dyeing and anti-oxidant. It can be used as rubber accelerator, floating agent, photo developing agent, peroxide thiourea, cold wave, etc. It is also used in resin compression molding powder, electroplating blueprinting and boiler washing.
Item Standard
Purity(CH4N2S)% 99.0
Heating loss(H2O) % 0.40
Ash% 0.10
Water-insoluble matter% 0.02
Rhodonidegh CNS% 0.02
Melting point 171
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