Thiourea Chemical
CAS Number: 62-56-6
Physical state: Colorless or white crystalline or crystalline powder
EINECS:200-543-5
Chemical formula:CH4N2S
PACKING:25KG/BAG
Xiamen Ditai Chemicals Co., Ltd. is one of the most reliable manufacturers and suppliers of thiourea chemical in China. Welcome to buy high quality chemical products at competitive price from our factory.
Thiourea
Thiourea chemical, white bright bitter crystal, soluble in cold water and ethanol, slightly soluble in ether, easily deliquescent in air, converted to ammonium thiocyanate at 150 ℃, with reducing properties, can reduce free chemical book iodine to iodine ions. Thiourea is highly reactive and is used to prepare various compounds. It can react with various oxidants to generate organic compounds, and can also form easily soluble addition compounds with inorganic compounds.
|
ITEM |
SPECIFICATION |
| Purity (CH4N2S) | 99%min |
| Loss On Heating (H2O) |
0.4%max |
| Ash |
0.1%max |
| Water-Insoluble Matter | 0.02%max |
| Rhodonide ( As CNS) |
0.02%max |
| Melting Point | 171℃min |
Thiourea chemical use:
Thiourea chemical has broad application prospects in petrochemical and pharmaceutical industries. Many pharmaceutical molecules contain structural fragments of thiourea, and thiourea is also an important intermediate in the synthesis of heterocyclic compounds. For example, many oral hypoglycemic drugs and anti thyroid drugs currently on the market belong to the class of thiourea molecules. In addition, thiourea compounds have excellent insecticidal activity and are widely used in the field of pesticides. A catalyst used in organic synthesis to manufacture thiourea derivatives such as methyl thiourea, diethyl thiourea, diphenyl thiourea, and sulfur dioxide, and to produce phthalic anhydride and fumaric acid. Used for preparing fast curing agents for epoxy resins, synthesizing resin coatings, and anion exchange resins. It can also be used as a toughening agent for melamine formaldehyde resin adhesive. In terms of photographic materials, thiourea can be used as a developer and toner, as well as a reducing agent for azo photosensitive paper.








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