Thiourea
Product introduction
Thiourea is an organic sulfur compound, chemical formula CH4N2S, white and glossy crystal, bitter taste, density 1.41g/cm³, melting point 176 ~ 178℃. Used in the manufacture of drugs, dyes, resins, molding powder and other raw materials, also used as rubber vulcanization accelerator, metal mineral flotation agent and so on. It is formed by the action of hydrogen sulfide with lime slurry to form calcium hydrosulfide and then calcium cyanamide. It can also be prepared by melting ammonium thiocyanide, or by acting cyanamide with hydrogen sulfide.
Technical Index
Usage
Thiourea is mainly used as a raw material for the synthesis of sulfathiazole, methionine and other drugs, and can also be used as a raw material for dyes and dyeing auxiliaries, resins and molding powders, and can also be used as a vulcanization accelerator for rubber, a flotation agent for metal minerals, a catalyst for the production of phthalic anhydride and fumaric acid, and as a metal rust inhibitor. In terms of photographic materials, it can be used as a developer and toner, and can also be used in the electroplating industry. Thiourea is also used in diazo photosensitive paper, synthetic resin coatings, anion exchange resins, germination promoters, fungicides and many other aspects. Thiourea is also used as a fertilizer. Used in the manufacture of drugs, dyes, resins, molding powder, rubber vulcanization accelerator, metal mineral flotation agents and other raw materials.
