Names | |
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IUPAC name
Arsenic(III,V) dioxide
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Identifiers | |
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3D model (
JSmol)
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ChemSpider | |
PubChem
CID
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CompTox Dashboard (
EPA)
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Properties | |
As2O4 | |
Molar mass | 213.839 g·mol−1 |
Hazards | |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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[1910.1018] TWA 0.010 mg/m3 [1] |
REL (Recommended)
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Ca C 0.002 mg/m3 [15-minute] [1] |
IDLH (Immediate danger)
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Ca [5 mg/m3 (as As)] [1] |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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Arsenic tetroxide is an inorganic compound with the chemical formula As2O4, containing As(III) and As(V), AsIIIAsVO4. [2]
It can be synthesized in an autoclave via the following reaction:
It adopts a layer structure, and the coordination geometry of As(III) is triangular pyramid while As(V) is tetrahedral. [2]