1.07836

Antimony(III) oxide

for analysis EMSURE^®

• Synonym(s): Antimony(III) oxide, di-Antimony trioxide
• Empirical Formula (Hill Notation): O₃Sb₂
• CAS Number: 1309-64-4
• Molecular Weight: 291.52
• MDL number: MFCD00011214
• UNSPSC Code: 12352303
• EC Index Number: 215-175-0
• NACRES: NA.21

Properties

• vapor pressure: 13.3 hPa ( 660 °C)
• Quality Level: 300
• 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 (SO₄^2-): ≤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

Description

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

Safety Information

• pictograms: GHS08
• signalword: Warning
• hcodes: H351
• pcodes: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Carc. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable