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1.07836

Supelco

Antimony(III) oxide

for analysis EMSURE®

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Synonym(s):
Antimony(III) oxide, di-Antimony trioxide
Empirical Formula (Hill Notation):
O3Sb2
CAS Number:
Molecular Weight:
291.52
MDL number:
UNSPSC Code:
12352303
EC Index Number:
215-175-0
NACRES:
NA.21

vapor pressure

13.3 hPa ( 660 °C)

Quality Level

product line

EMSURE®

Assay

≥99.0% (bromometric)

form

solid

potency

>34600 mg/kg LD50, oral (Rat)

impurities

≤0.01% Substances insoluble in hydrochloric acid
≤0.05% Substances soluble in water

bp

1550 °C/1013 hPa

mp

656 °C (sublimed)

solubility

2.70 mg/L

density

5.4 g/cm3

bulk density

800‑1300 kg/m3

anion traces

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.01%

cation traces

As: ≤0.03%
Ca: ≤0.002%
Cu: ≤0.002%
Fe: ≤0.003%
K: ≤0.002%
Na: ≤0.002%
Pb: ≤0.025%

storage temp.

2-30°C

InChI

1S/3O.2Sb/q3*-2;2*+3

InChI key

GHPGOEFPKIHBNM-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (bromometric): ≥ 99.0 %
Substances insoluble in hydrochloric acid: ≤ 0.01 %
Substances soluble in water: ≤ 0.05 %
Chloride (Cl): ≤ 0.05 %
Sulfate (SO₄): ≤ 0.01 %
As (Arsenic): ≤ 0.03 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.002 %
Fe (Iron): ≤ 0.003 %
K (Potassium): ≤ 0.002 %
Na (Sodium): ≤ 0.002 %
Pb (Lead): ≤ 0.025 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Carc. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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