Antimony Trioxide 99% ReagentPlus

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% (ReagentPlus)

Appearance – Powder, 5 μm

Initial boiling point and boiling range – 1,550°C (2,822°F) – lit.

Water solubility – 0.0287 g/l at 20°C (68°F)

Melting point/freezing point – 655°C (1,211°F) – lit.