Description
Antimony(III) oxide is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite. Like most polymeric oxides, Sb2O3 dissolves in aqueous solutions with hydrolysis.
- Formula
- Sb2O3
- Molar mass
- 291.517 g/mol
- CAS Number
- 1309-64-4
- Density
- ca.5.2 g/cm3 at 20°C (68°F)
- Purity/Grade
- 99% (Reagent Plus)
- Apearance
- Powder, 5 μm
- Melting point/freezing point
- 655°C (1,211°F) – lit.
- Initial boiling point and boiling range
- 1,550°C (2,822°F) – lit.
- Water solubility
- 0.0287 g/l at 20°C (68°F)
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