| 词条 | Arsenic dioxide |
| 释义 |
| ImageFile = | ImageSize = | IUPACName = Arsenic(III,V) dioxide | OtherNames = |Section1={{Chembox Identifiers | CASNo = | PubChem = 158274 | ChemSpiderID = 139256 | SMILES = O=[As][O] | InChI = 1/AsO2/c2-1-3 | InChIKey = LZYIDMKXGSDQMT-UHFFFAOYAF | StdInChI = 1S/AsO2/c2-1-3 | StdInChIKey = LZYIDMKXGSDQMT-UHFFFAOYSA-N |Section2={{Chembox Properties | Formula = AsO2 (As2O4) | MolarMass = 106.920 g/mol | Appearance = | Density = | MeltingPt = | BoilingPt = | Solubility = |Section3={{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = | IDLH = Ca [5 mg/m3 (as As)][1] | REL = Ca C 0.002 mg/m3 [15-minute][1] | PEL = [1910.1018] TWA 0.010 mg/m3[1] }}Arsenic dioxide is an inorganic compound with the chemical formula As2O4, containing As(III) and As(V), AsIIIAsVO4.[4] SynthesisIt can be synthesized in an autoclave via the following reaction: 2 {{chem|As|2|O|3}} + {{chem|O|2}} → 2 {{chem|As|2|O|4}} StructureIt adopts a layer structure, and the coordination geometry of As(III) is triangular pyramid while As(V) is tetrahedral.[2] References1. ^1 2 {{PGCH|0038}} {{Inorganic-compound-stub}}2. ^1 {{cite journal|last=Jones|first=P. G.|author2=Beesk, W.|author3= Sheldrick, G. M.|author4= Sharman, E.|title=Arsenic dioxide|journal=Acta Crystallographica Section B|date=14 February 1980|volume=36|issue=2|pages=439–440|doi=10.1107/S0567740880003433}} 2 : Arsenic compounds|Oxides |
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