Tin(Ⅳ) chloride dihydrate (SnCl4•xH2O)-Crystalline

Characteristic

 

Tin(IV) chloride, also known as tin tetrachloride or stannic chloride, is an inorganic compound with the formula SnCl₄. It is a colorless hygroscopic liquid, which fumes on contact with air. 

Chemical formula：SnCl₄•xH₂O

Molar mas： 260.50 g/mol (anhydrous);350.60 g/mol (pentahydrate)

Appearance：Colorless to slightly yellow fuming liquid

Odor：Acrid

Density:2.226 g/cm³ (anhydrous);2.04 g/cm³ (pentahydrate)

Melting point:−34.07 °C (−29.33 °F; 239.08 K) (anhydrous);56 °C (133 °F; 329 K) (pentahydrate)

Boiling point:114.15 °C (237.47 °F; 387.30 K)

Solubility in water:hydrolysis,very hygroscopic (anhydrous);very soluble (pentahydrate)

Solubility:soluble in alcohol, benzene, toluene, chloroform, acetone, kerosene, CCl4, methanol, gasoline, CS2

Vapor pressure:2.4 kPa

Magnetic susceptibility (χ):−115·10−6 cm3/mol

Refractive index (nD):1.512

Crystal structure:monoclinic (P21/c)

 

Application

 

Tin(IV) chloride hydrate is used in the formation of a xerogel via a cyanogel, a gel that has potential use in solid-state gas sensors. It is involved in the preparation of Indium tin oxide thin films by chemical vapor deposition method.