CAS number : 13463-67-7
Molecular weight :
Molecular formula/chemical symbol :TiO2
Description :
Titanium dioxide |
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IUPAC name[hide]
Titanium dioxide |
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Other names[hide] |
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Identifiers |
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24256 |
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C13409 |
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XR2775000 |
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Jmol-3D images |
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Properties |
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TiO2 |
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79.866 g/mol |
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Appearance |
White solid |
odorless |
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4.23 g/cm3 |
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1843 °C |
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2972 °C |
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Solubility in water |
insoluble |
Refractive index (nD) |
2.488 (anatase) |
Thermochemistry |
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Std enthalpy of |
?945 kJ·mol?1[1] |
Standard molar |
50 J·mol?1·K?1[1] |
Hazards |
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Not listed |
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Non-flammable |
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Related compounds |
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Other cations |
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Titanium(II) oxide |
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Related compounds |
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USES :
Keywords:Plastic additives
Titanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium, chemical formula TiO2. When used as a pigment, it is called titanium white, Pigment White 6, or CI 77891. Generally it is sourced from ilminite, rutile and anatase. It has a wide range of applications, from paint to sunscreen to food colouring. When used as a food colouring, it has E number E171.
Report :
Form |
Crystal system |
Synthesis |
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TiO2(B)[5] |
Hydrolysis of K2Ti4O9 followed by heating |
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TiO2(H), hollandite-like form[6] |
Oxidation of the related potassium titanate bronze, K0.25TiO2 |
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TiO2(R), ramsdellite-like form[7] |
Oxidation of the related lithium titanate bronze Li0.5TiO2 |
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baddeleyite-like form, (7 coordinated Ti)[9] |
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TiO2 -OI[10] |
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P > 40 GPa, T > 1600 °C |
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P > 40 GPa, T > 700 °C |