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Sulfur-containing compound thiourea product a is an organic sulfur-containing compound with the chemical formula CH4N2S. White thiourea crystal is a white and glossy crystal with a bitter taste and a density of 1.41g/cm ³， Melting point 17, etc. It is formed by the reaction of hydrogen sulfide with lime slurry to form calcium hydrosulfide, and then by the reaction with calcium cyanamide. Ammonium thiocyanate can also be produced by melting or by reacting amino cyanide with hydrogen sulfide.

Purpose; Thiourea for electroplating industry is mainly used as a raw material for the synthesis of drugs such as sulfathiazole and methionine. It can also be used as a dye and dyeing aid, resin and molding powder, as well as a vulcanization promoter 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 many aspects such as diazotized photosensitive paper, synthetic resin coatings, anion exchange resins, germination promoters, fungicides, etc. Thiourea is also used as a fertilizer. Raw materials used for manufacturing drugs, dyes, resins, compression molding powders, vulcanization accelerators for rubber, flotation agents for metal minerals, etc. 6-178 ℃. Used as raw materials for manufacturing drugs, dyes, resins, compression molding powders, etc., as well as vulcanization accelerators for rubber and flotation of metal minerals .It is one of the Chemical Products.