1.07836
Antimony(III) oxide
for analysis EMSURE®
Synonym(s):
Antimony(III) oxide, di-Antimony trioxide
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About This Item
Empirical Formula (Hill Notation):
O3Sb2
CAS Number:
Molecular Weight:
291.52
UNSPSC Code:
12352303
EC Index Number:
215-175-0
NACRES:
NA.21
MDL number:
eCl@ss:
38080202
Assay:
≥99.0% (bromometric)
Form:
solid
Solubility:
2.70 mg/L
vapor pressure
13.3 hPa ( 660 °C)
Quality Segment
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
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 %
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
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Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Carc. 2
Storage Class
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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