Characteristic

 

Antimony trichloride is the chemical compound with the formula SbCl₃.

Chemical formula：SbCl₃

Molar mass：228.11 g/mol

Appearance：Colorless solid, very hygroscopic

Odor：Sharp, pungent

Density：3.14 g/cm³ (25 °C);2.51 g/cm3 (150 °C)

Melting point：73.4 °C (164.1 °F; 346.5 K) 

Boiling point：223.5 °C (434.3 °F; 496.6 K)

Solubility in water：601.1 g/100 mL (0 °C);985.1 g/100 mL (25 °C);1.357 kg/100 mL (40 °C)

Solubility：Soluble in ethanol, CH2Cl2, phenyls, ether, dioxane, CS2, CCl4, CHCl3, cyclohexane, selenium(IV) oxychloride

Insoluble in pyridine, quinoline, organic bases

 

Application

 

Antimony(III) chloride is engaged to detect certain compounds, such as cholesterols. It is a complexing agent used in the colorimetric Carr-Price test for detecting carotenoids including vitamin A. It is employed as a mordant and a fabric flame retardant. It is used as a catalyst for chlorinationn and polymerization reactions. It is used to coat the steel to make bronze, used as a cutting material of antimony salt and as a preservative in medicine. It is used as an analytical reagent for chloral and aromatics.