Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

Safety Information

637173

Sigma-Aldrich

Antimony(III) oxide

nanopowder, <250 nm particle size (TEM), ≥99.9% trace metals basis

Synonym(s):

Diantimony trioxide

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
Sb2O3
CAS Number:
1309-64-4
Molecular Weight:
291.52
EC Number:
215-175-0
MDL number:
MFCD00011214
UNSPSC Code:
12352302
eCl@ss:
38080202
PubChem Substance ID:
24882835
NACRES:
NA.23

Quality Level

100

Assay

≥99.9% trace metals basis

form

nanopowder

reaction suitability

reagent type: catalyst
core: antimony

surface area

15.6 m2/g , typical

particle size

<250 nm (TEM)

bp

1550 °C (lit.)

mp

655 °C (lit.)

bulk density

0.5‑0.6 g/mL

SMILES string

O=[Sb]O[Sb]=O

InChI

1S/3O.2Sb

InChI key

ADCOVFLJGNWWNZ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Pictograms

Health hazard
GHS08

Signal Word

Warning

Hazard Statements

H351

Hazard Classifications

Carc. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

637173-100G:4548173175058
637173-25G:4548173175072
637173-VAR:
637173-BULK:
637173-250G:4548173175065

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCW6654
MKCD8647
MKCC8358
MKCC1655
MKCB9098

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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
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
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
N Gurnani et al.
Biological trace element research, 37(2-3), 281-292 (1993-05-01)
Comparison of the clastogenic effects of antimony and bismuth used as trioxides, when administered orally by gavaging to laboratory bred male mice, showed that the former was more strongly clastogenic than the latter. Three doses of each chemical (400, 666.67
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service