Thiourea is an organic compound that resembles urea but contains sulfur instead of oxygen; i.e., the molecular formula is CS(NH2)2, while that of urea is CO(NH2)2. Like urea, it can be prepared by causing a compound with the same chemical composition to undergo rearrangement, as by heating ammonium thiocyanate (NH4SCN).
A method of preparation more commonly used consists of the addition of hydrogen sulfide to cyanamide. Thiourea exhibits many of the chemical properties of urea, but it has little commercial application. Thiourea is used chiefly in photography, inorganic synthesis, and to accelerate the vulcanization of rubber.
Uses of Thiourea:
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Properties of Thiourea: