Thiourea CAS 62-56-6 is an organic sulfur containing compound with the chemical formula CH4N2S. It is a white and shiny crystal with a bitter taste and a density of 1.41g/cm ³， Melting point 176~178 ℃. Used as raw materials for manufacturing drugs, dyes, resins, compression molding powders, etc., as well as vulcanization accelerators for rubber and flotation agents for metal minerals. 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 melted to produce, or amino cyanide can be prepared by reacting with hydrogen sulfide.

Chinese name： thiourea

Foreign name： Thiourea

Nickname： thiourea

Chemical formula： CH4N2S

Molecular weight： 76.121

CAS login number： 62-56-6

EINECS login number： 200-543-5

Melting point： 176 to 178 ℃

Density： 1.41 g/cm ³

Appearance： white glossy crystal

Flash point： 66.8 ℃

Physical and chemical properties

Melting point: 176~178 ℃

Density: 1.41g/cm3

LogP: -1.05

Refractive index: 1.654

Flash point: 66.8 ℃

Critical pressure: 8.23MPa

Appearance: White glossy crystal

Solubility: soluble in cold water, ethanol, slightly soluble in ether

Purpose

Thiourea is mainly used as a raw material for the synthesis of drugs such as sulfathiazole and methionine. It can also be used as a raw material for dyes and dyeing aids, resins and molding powders, 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 diazo sensitive paper, synthetic resin coatings, anion exchange resins, germination promoters, fungicides, and many other aspects. 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.

Disposal and storage

Precautions for operation: Closed operation, local ventilation. Operators must undergo specialized training and strictly adhere to operating procedures. It is recommended that operators wear self priming filter type dust masks, chemical safety goggles, and rubber gloves. Keep away from sparks and heat sources, and smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Avoid generating dust. Avoid contact with oxidants and acids. When transporting, it is necessary to load and unload gently to prevent damage to the packaging and containers. Equip corresponding types and quantities of firefighting equipment and emergency response equipment for leaks. Empty containers may have residual harmful substances.

Storage precautions: Store in a cool and ventilated warehouse. Keep away from sparks and heat sources. Packaging sealing. It should be stored separately from oxidants, acids, and edible chemicals, and should not be mixed for storage. Equip corresponding types and quantities of fire-fighting equipment. The storage area should be equipped with suitable materials to contain leaks.

ChemicalCAS.com offers price quotation and technology support of chemical from China. In the quotation from China factory supplier, we will include price terms, payment, lead time, COA, TDS, MSDS etc. We make sure the reliable purchase source and product quality. If you need to buy chemical from China, please feel free to contact sales@chemicalcas.com