| Titanium(III) oxide | |
|---|---|
| IUPAC name | titanium(III) oxide |
| Other names | titanium sesquioxide |
| Identifiers | |
| CAS number | 1344-54-3 |
| Properties | |
| Molecular formula | Ti2O3 |
| Molar mass | 143.76 g/mol |
| Appearance | violet black, odorless powder |
| Density | 4.6 g/cm³, solid |
| Melting point |
2130°C (decomposes) |
| Solubility in water | insoluble |
| Hazards | |
| EU classification | not listed |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references |
|
Titanium(III) oxide (Ti2O3) is a chemical compound of titanium and oxygen. It is prepared by reacting titanium dioxide with titanium metal at 1600°C.1 Ti2O3 has the Al2O3, corundum structure.1 It is reactive with oxidising acids.1 At around 200°C there is a transition from semiconducting to metallic conducting.1
References
- ^ a b c d Greenwood, Norman N.; Earnshaw, A. (1997), Chemistry of the Elements (2nd ed.), Oxford: Butterworth-Heinemann, ISBN 0-7506-3365-4
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