Production of titanium metal The world's supply of titanium metal, about 4M tons per year, is made from TiCl4. The conversion t [mp ]−25 °C(lit.)[bp ]135-136 °C(lit.)[density ]1.73 g/mL at 20 °C(lit.)[vapor pressure ]50 mm Hg ( 55 °C)[refractive index ]1.61[Fp ]46 °F[storage temp. ]Flammables area[solubility ]H2O: soluble[Stability:]Stable. Reacts with water. Incompatible with moisture, ammonia, ...