Product
Thiourea
Molecular formula (NH2)2CS
Molecular weight 76.12
Specificity White flake, column or needle crystal, it is bitter. Relative density is 1.405. It is soluble in water and alcohol, slightly soluble in ethylether. Melting point is 180-182°C. It is highly reactive and used for the manufacture of various compounds.
Standard HG/T 3266-2002
Item Premium Grade First Grade Regular Grade
Purity % ≥ 99.0 98.5 98.0
Heating Loss % ≤ 0.40 0.50 1.0
Ash content % ≤ 0.10 0.15 0.30
Insoluble matter % ≤ 0.02 0.05 0.10
Sulfocyan(CNS-)% ≤ 0.02 0.05 0.10
Melting point °C ≥ 171 170 -
Usage Used as intermediate for the manufacture of medicine and pesticide, vulcanization accelerator in rubber industry, flotation agent in mining, fabric and paper treatment agent in printing and dying, antirusting agent and also in electroplating industry.
Package Packed in net 25kg plastic woven bags with plastic bag inside.
Storage and transportation Stored in cool, dry and ventilated warehouse. keep away from moisture and handle with care when transporting, loading and unloading.

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