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Merck
CN

11115

Antimony(III) oxide

≥99%

Synonym(s):

Diantimony trioxide

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About This Item

Linear Formula:
Sb2O3
CAS Number:
1309-64-4
Molecular Weight:
291.52
PubChem Substance ID:
57646884
eCl@ss:
38080202
UNSPSC Code:
12352300
EC Number:
215-175-0
MDL number:
MFCD00011214

Key Documents

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InChI key

ADCOVFLJGNWWNZ-UHFFFAOYSA-N

InChI

1S/3O.2Sb

SMILES string

O=[Sb]O[Sb]=O

assay

≥99%

reaction suitability

reagent type: catalyst
core: antimony

bp

1550 °C (lit.)

mp

655 °C (lit.)

anion traces

chloride (Cl-): ≤500 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤200 mg/kg, Ca: ≤100 mg/kg, Cu: ≤3 mg/kg, Fe: ≤20 mg/kg, Na: ≤100 mg/kg, Pb: ≤250 mg/kg, Zn: ≤20 mg/kg

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pictograms

Health hazard
GHS08

signalword

Warning

hcodes

H351

Hazard Classifications

Carc. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SZB6270AV
6270A
BCBH9922
BCBH2899
BCBF5033

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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
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
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
Lisa Bregoli et al.
Toxicology, 262(2), 121-129 (2009-06-02)
Nanoparticles (NPs) are materials with one dimension in the range of 1-100 nm. The toxicity of NPs remains widely unknown and still poses concerns, due to the peculiar characteristics of materials in the nano-size range. We analyze the toxicity of
Susan Lösler et al.
Annals of hematology, 88(11), 1047-1058 (2009-03-21)
During the last years remission rates of more than 72% for arsenic(III)-oxide (As(2)O(3)) treatment in relapsed or refractory acute promyelocytic leukemia have been published. As(2)O(3) is under clinical investigation for therapy of leukemia and solid tumors. Due to the chemical
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