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Antimony(III) oxide, Puratronic™, 99.999% (metals basis)

Catalog No. AA1064122
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CAS: 1309-64-4 | O3Sb2 | 291.52 g/mol

Antimony(III) oxide finds use as flame retardant wherein it synergistically acts with halogenated materials. It is employed in opacifying glasses, ceramics and enamels. In the preparation of optical and ruby glass, antimony trioxide serves as a bubble remover. Further, it is a useful catalyst in the production of polyethylene terephthalate (PET plastic) and the vulcanization of rubber.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1309-64-4
Molecular Formula O3Sb2
Molecular Weight (g/mol) 291.52
MDL Number MFCD00011214
InChI Key GHPGOEFPKIHBNM-UHFFFAOYSA-N
IUPAC Name diantimony(3+) trioxidandiide
SMILES [O--].[O--].[O--].[Sb+3].[Sb+3]

Specifications

Boiling Point 1550°C (sublimation)
Melting Point 656°C
Color White
Physical Form Powder
Quantity 100 g
Assay Percent Range 99.99% (Metals basis)
Solubility Information Very slightly soluble in water; soluble in potassium hydroxide,hydrochloricacid and acetic acid; insoluble in organic solvents.
Formula Weight 291.5
Odor Odorless
Density 5.67
Chemical Name or Material Antimony(III) oxide
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Hazard Category H351
Precautionary Statement P201-P202-P281-P308+P313-P501c
EINECSNumber 215-175-0
RTECSNumber CC5650000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only

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