Titanium(III) oxide

Titanium(III) oxide
IUPAC name

titanium(III) oxide
Other names

titanium sesquioxide
Identifiers
CAS number 1344-54-3 Y
PubChem 123111
Properties
Molecular formula Ti2O3
Molar mass 143.76 g/mol
Appearance violet black, odorless powder
Density 4.49 g/cm3
Melting point

2130 °C (decomposes)
Solubility in water insoluble
Hazards
EU classification not listed
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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

  1. ^ a b c d Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Oxford: Butterworth-Heinemann. ISBN 0080379419.