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202649

Sigma-Aldrich

Antimony(III) oxide

99.999% trace metals basis

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Synonym(s):
Diantimony trioxide
Linear Formula:
Sb2O3
CAS Number:
Molecular Weight:
291.52
EC Number:
MDL number:
UNSPSC Code:
12352303
eCl@ss:
38080202
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

99.999% trace metals basis

form

powder

bp

1550 °C (lit.)

mp

655 °C (lit.)

SMILES string

O=[Sb]O[Sb]=O

InChI

1S/3O.2Sb

InChI key

ADCOVFLJGNWWNZ-UHFFFAOYSA-N

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Application

Selective ammoxidation catalysts for such reactions as conversion of toluene to benzonitrile or propylene to acrylonitrile were prepared by a sol-gel method from V2O5, Sb2O3 and high purity hydrogen peroxide.

Features and Benefits

Useful component of new materials. J. Am. Ceram. Soc. 1995, 78, 1179. J. Mater. Chem. 1995, 5, 75.

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Carc. 2

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Brazdil, J.F. et al.
Chemistry of Materials, 10, 4100-4100 (1998)
David Kirkland et al.
Mutation research, 627(2), 119-128 (2006-12-19)
Antimony trioxide (Sb2O3, CAS 1309-64-4) is widely used as a flame retardant synergist in a number of household products, as a fining agent in glass manufacture, and as a catalyst in the manufacture of various types of polyester plastics. It
Koen Oorts et al.
Environmental science & technology, 42(12), 4378-4383 (2008-07-09)
Antimony trioxide (Sb2O3) is a widely used chemical that can be emitted to soil. The fate and toxicity of this poorly soluble compound in soil is insufficiently known. A silt-loam soil (pH 7.0, background 0.005 mmol Sb kg(-1)) was amended
P E Newton et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 22(4), 561-576 (1994-05-01)
Fischer 344 rats were exposed by inhalation to Sb2O3 (antimony trioxide) dust at exposure levels of 0, 0.25, 1.08, 4.92, and 23.46 mg/m3 for 6 hr/day, 5 days/week for 13 weeks followed by a 27-week observation period. Subsequently, an inhalation
Nona Merry M Mitan et al.
Chemosphere, 72(7), 1073-1079 (2008-05-24)
The controlled pyrolysis of polyethylene/polypropylene/polystyrene mixed with brominated high-impact polystyrene containing decabromodiphenyl ether as a brominated flame-retardant with antimony trioxide as a synergist was performed. The effect of decabromodiphenyl ether and antimony trioxide on the formation of its congeners and

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