Uses
Used for vacuum deposition. Also applications include sunscreens and UV-blocking in cosmetics, varnishes, wood preservatives, textile fibers, and packaging films. Also used as paint pigment, opacifying agent, welding rod fluxes, optical coatings, as a catalyst, ceramic finish coat, plastics, elastomers, coated fabrics, printing inks, roofing granules, glass, and in glazes. Also identified as Titanium monoxide.
Preparation
Titanium monoxide or hongquiite (TiO) may be prepared by direct reduction by mixing stoichiometric amounts of titanium metal
and titanium dioxide into a molybdenum crucible at 1600°C or reduction of the titanium
dioxide with hydrogen under pressure at 130 atm and 2000°C.
Ti (s) + TiO2(s) —> 2 TiO(s) (1600°C)
Reactions
On heating the monoxide in air, the compound reverts to other titanium oxides as a function
of temperature increase:
TiO(s) —> Ti2O3(s) (200°C);
TiO(s) —> Ti3O5(s) (250–350°C);
TiO(s) —> TiO2(s) (350°C).
