Antimony pentoxide

Antimony pentoxide
Names
IUPAC name
(dioxo-λ5-stibanyl)oxy-dioxo-λ5-stibane
Other names
antimony(V) oxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.853 Edit this at Wikidata
EC Number
  • 215-237-7
UNII
  • InChI=1S/5O.2Sb checkY
    Key: LJCFOYOSGPHIOO-UHFFFAOYSA-N checkY
  • InChI=1/5O.2Sb/rO5Sb2/c1-6(2)5-7(3)4
    Key: LJCFOYOSGPHIOO-YOUOZQPQAC
  • O=[Sb](=O)O[Sb](=O)=O
Properties
Sb2O5
Molar mass 323.517 g/mol
Appearance yellow, powdery solid
Density 3.78 g/cm3, solid
Melting point 380 °C (716 °F; 653 K) (decomposes)
0.3 g/100 mL
Solubility insoluble in nitric acid
Structure
cubic
Thermochemistry
117.69 J/mol K
–1008.18 kJ/mol
Hazards
GHS labelling:
GHS07: Exclamation markGHS09: Environmental hazardGHS03: OxidizingGHS08: Health hazard
Danger
H302, H315, H319, H335, H411
P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
3
0
1
OX
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 0.5 mg/m3 (as Sb)[1]
REL (Recommended)
 TWA 0.5 mg/m3 (as Sb)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Antimony pentoxide (molecular formula: Sb2O5) is a chemical compound of antimony and oxygen. It contains antimony in the +5 oxidation state.

  1. ^ a b NIOSH Pocket Guide to Chemical Hazards. "#0036". National Institute for Occupational Safety and Health (NIOSH).