Diantimony trioxide

About This Item

Molecular Formula	Sb₂O₃
CAS Number	1309-64-4

FC-0956435

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Properties

Chemical Identifiers

IUPAC Name	antimony(3+);oxygen(2-)
SMILES	[O-2].[O-2].[O-2].[Sb+3].[Sb+3]
InChI Key	GHPGOEFPKIHBNM-UHFFFAOYSA-N

Physical Properties

Boiling Point	1425 °C
Melting Point	655 °C
Flash Point	Not Applicable. Not flammable. (USCG, 1999)
Density	5.2 at 77 °F (USCG, 1999) - Denser than water; will sink

Safety Information

Hazard Class

Danger

Flash Point

Not Applicable. Not flammable. (USCG, 1999)

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.