Antimony pentoxide

Antimony pentoxide
Names
	IUPAC name (dioxo-λ5-stibanyl)oxy-dioxo-λ5-stibane
	Other names antimony(V) oxide
Identifiers
CAS Number	1314-60-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	14129 ;
ECHA InfoCard	100.013.853
EC Number	215-237-7;
PubChem CID	14813;
UNII	756OCG058B ;
CompTox Dashboard (EPA)	DTXSID6050467 ;
	InChI InChI=1S/5O.2Sb Key: LJCFOYOSGPHIOO-UHFFFAOYSA-N ; InChI=1/5O.2Sb/rO5Sb2/c1-6(2)5-7(3)4 Key: LJCFOYOSGPHIOO-YOUOZQPQAC;
	SMILES O=[Sb](=O)O[Sb](=O)=O;
Properties
Chemical formula	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)
Solubility in water	0.3 g/100 mL
Solubility	insoluble in nitric acid
Structure
Crystal structure	cubic
Thermochemistry
Heat capacity (C)	117.69 J/mol K
Std enthalpy of; formation (ΔfH⦵298)	−1008.18 kJ/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H315, H319, H335, H411
Precautionary statements	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)	3 0 1 OX
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 0.5 mg/m3 (as Sb)
REL (Recommended)	TWA 0.5 mg/m3 (as Sb)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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