Titanium tetrachloride 
 1, physical properties: GB No. 81051 CAS No. 7550-45-0 Titanium tetrachloride Chinese name English name Titanium tetrachloride; Titanic chloride titanium chloride alias formula TiCl4 colorless or slightly yellow liquid with a pungent sour . Smoke in the air vapor pressure molecular weight 189.71 1.33kPa (21.3 ℃) Melting point -25 ℃ Boiling point: 136.4 ℃ Solubility soluble in cold water, ethanol, dilute density relative density (water = 1) 1.7260 stability of the chemical nature of the instability, when the wet Air that is white smoke, the first form TiCl4 · 5H2O; hydrolysis of hydrated titanium dioxide last (TiO2 · xH2O). Absorb dry ammonia generated TiCl4 · 4NH3 and TiCl4 · 6NH3. Reaction of alcohols with titanium esters [such as Ti (OCnH2n +1) 4].