CAS number : 13463-67-7
Molecular weight :
Molecular formula/chemical symbol :TiO2
Description :
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.
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Appearance |
White solid |
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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 |
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Refractive index (nD) |
2.488 (anatase) |
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Appearance |
White solid |
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odorless |
USES :
Report :
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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 |
