Materials Page
Reference 4

Antimony Oxide

Bulk Properties

Melting Point: 656 ºC
Density: 5.2 gm/cc

Solubility:  Insoluble in water, soluble in concentrated hydrochloric & sulfuric acids and strong alkalies.

Film Properties

Evap. Temp.: 300 ºC

Common uses:   UV filters

Comments:  Avoid overheating to reduce risk of decomposition.