Thiourea 99%

Thiourea is an organic compound of carbon, nitrogen, sulfur and hydrogen, with the formula CSN2H4 or (NH2)2CS. It is similar to urea, except that the oxygen atom is replaced by a sulfur atom. Thiourea is a versatile reagent in organic synthesis. "Thioureas" refers to a broad class of compounds with the general structure. Thiourea Specifications: 99.0% NH22CSExcellent Index Item: Purity % ≥99.00 , Heat resistance % ≤ 0.40 Ash % ≤ 0.10 Insoluble matter in water % ≤0.02 Thiocyanate %,(measure as CNS) ≤0.02 Melting point ≥171