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Titanium dioxide, (TiO2), also known as titanium(IV) oxide or titania is a white, opaque, naturally occurring mineral existing in a number of crystalline forms, the most important of which are rutile and anatase. These naturally occurring oxide forms can be mined and serve as a source for commercial titanium Titanium dioxide is odourless and absorbent, mineral forms can appear black Because of its bright whiteness, it is used in products such as paints, coatings, papers, inks, toothpaste, cosmetics, glass, ceramics and food coloring Properties: CAS number,13463-67-7 Melting / freezing point Anataz: 1560°C, Rutyl: 1843°C, Brukit: 1825°C Boiling point range 3000°C Relative density Anataz: 3,9 kg/l (20°C), Brukit: 4,17 kg/l (20°C), Rutyl: 4,26 kg/l (20°C) Solubility in water 1μg/l Chemical formula TiO2 Appearance White solid Odor Odorless Molar mass 79.866 g/mol Density: 4.23 g/cm3 (rutile) 3.78 g/cm3 (anatase)