Arsenic tetroxide

Arsenic tetroxide
Names
	IUPAC name Arsenic(III,V) dioxide
Identifiers
CAS Number	17306-35-3 [EPA];
3D model (JSmol)	Interactive image;
ChemSpider	139256;
PubChem CID	20288961;
CompTox Dashboard (EPA)	DTXSID50938283 ;
	InChI InChI=1S/2As.4O/q+3;+5;;;; Key: RAKBAHUVRSFKQD-UHFFFAOYSA-N;
	SMILES [As+3].[As+5].[O].[O].[O].[O];
Properties
Chemical formula	As2O4
Molar mass	213.839 g·mol−1
Hazards
	NIOSH (US health exposure limits):
PEL (Permissible)	[1910.1018] TWA 0.010 mg/m3
REL (Recommended)	Ca C 0.002 mg/m3 [15-minute]
IDLH (Immediate danger)	Ca [5 mg/m3 (as As)]
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Arsenic tetroxide is an inorganic compound with the chemical formula As₂O₄, containing As(III) and As(V), As^IIIAs^VO₄.

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