Thionyl chloride CAS 7719-09-7
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Chemical Name: Thionyl chloride
CAS No.: 7719-09-7
Molecular Formula: Cl2OS
Molecular weight: 118.97
Sample: Available

Thionyl chloride: The Complete Guide
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What is Thionyl chloride?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Thionyl chloridewhich has developed particularly rapidly in recent years. Do you know about Thionyl chloride?
The official answer: Sulfoxide chloride (SOCl2), also known as thionyl chloride, sulfur oxychloride, sulfur oxychloride, dichlorosulfoxide, dichloro sulfoxide, colorless or light yellow liquid at room temperature and pressure, with a pungent odor. The relative density is 1.676, the melting point is -104.5 °C, and the boiling point is 78.8 °C. It is easy to decompose into sulfur dioxide and hydrogen chloride when exposed to water. Soluble in benzene, chloroform and carbon tetrachloride. Heat to Chemicalbook 150 °C to start decomposition, 500 °C decomposition completely. Sulfoxide chloride is sometimes confused with sulfonyl chloride (SO2Cl2), but their chemical properties vary . Its chlorine atoms have a significant ability to replace hydroxyl or sulfur groups. Sulfoxide chloride can react with hydroxyl phenols or alcohols to form corresponding chlorides; Reaction with Glia reagent to generate the corresponding sulfoxide compound.
What’s the application of Thionyl chloride?
Sulfoxide chloride (SOCl2) is an important organic chemical intermediate, used in medicine, pesticides, dyes industry and organic synthesis industry, as a chlorinator. The consumption structure is: the pharmaceutical industry accounts for 25%, the pesticide industry accounts for 50%, the dye industry accounts for 5%, other industries account for 20%, the pesticide Chemicalbook industry is the most important consumption area of sulfoxide chloride in China, used for the production of anti-invertine, pentathrin, cypermethrin, mosquito counterweight, cypermethrin, urea, aquethionate, methrin, endosulfan, cypermethrin, methyl (ethyl) group chlorpyrifos, oxazolidinone, quinopyrifene and rat killer.
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