Tin Tetrachloride is a colorless, flowable liquid with gas molecules in a regular tetrahedral configuration. The bond length is Sn-Cl 228pm. The temperature of -33 ° C, the boiling point of 114.1 ° C. The density is 2.226 g/cm3. It is miscible with carbon tetrachloride, ethanol and benzene. It is easily soluble in water and soluble in most organic solvents such as gasoline, carbon disulfide and turpentine. Slowly add water to form a colloid of SnO2 and hexachlorostannic acid [H2[SnCl6]]. In the case of humid air, it is hydrolyzed to form stannic acid and hydrogen chloride, which is white smoke and corrosive.
The main use of tin tetrachloride:
1, Tin Tetrachloride is a raw material for preparing an organotin compound, a dyed mordant, and a condensing agent.
2, Tin Tetrachloride is used as a catalyst for cationic polymerization of isobutylene, α-methylstyrene and the like.
3, Production of blue paper and photographic paper, lubricating oil additives, glass surface treatment to form a conductive coating and improve wear resistance.
Used as a catalyst for chlorination in organic synthesis, sugar bleach, etc.; can also be used for conductive coatings and tin plating.
4, The vapor of tin chloride is mixed with ammonia and water vapor to form fine particles of tin hydroxide and ammonium chloride, which are used to make a smoke bomb.
5, Used to make FTO conductive glass, FTO glass can be used as a substitute for ITO conductive glass. It is widely used in liquid crystal display, photocatalysis, thin film solar cell substrate, etc., and has great market demand.
6, Used as analytical reagents, organic synthetic dehydrating agents. Also used in the electroplating industry.
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