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Arsenic Oxide (As2O3)

CAT: 0572-TRC-A774130-10GSize: 10 gDry Ice: NoHazardous: Yes
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CAT#:0572-TRC-A774130-10GSize:10 g
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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CAS Number
1327-53-3
Synonyms
Arsenious trioxide; Arsenous trioxide
Hazard Statement
Fatal if swallowed; UN number: UN1561; Packing Group: II
Smiles
O=[As]O[As]=O
Molecular Formula
As2 O3
Molecular Weight
197.84
InChI
InChI=1S/As2O3/c3-1-5-2-4
Shipping Conditions
Room Temperature
Storage Conditions
+20°C

Chemical Information

Arsenic Trioxide

Arsenic trioxide appears as white or transparent, glassy amorphous lumps or crystalline powder. Slightly soluble in water, but dissolves very slowly; more soluble in hot water. Noncombustible. Corrosive to metals in the presence of moisture. Toxic by ingestion.

CAS Number1327-53-3
PubChem CID14888
IUPAC Namebis(arsenic(3+));tris(oxygen(2-))
Molecular FormulaAs2O3
Molecular Weight197.841
Topological Polar Surface Area3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Heavy Atom Count5
Formal Charge0
Complexity0
SMILES
[O-2].[O-2].[O-2].[As+3].[As+3]
InChI
InChI=1S/2As.3O/q2*+3;3*-2
InChIKey
QTLQKAJBUDWPIB-UHFFFAOYSA-N
Chemical Structure
2D Structure
2D structure of Arsenic Trioxide
CAS: 1327-53-3
CID: 14888
Formula: As2O3
MW: 197.841
Interactive 3D Structure
Loading 3D structure...
Computed Properties
PropertyValue
Molecular Weight197.841
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass197.82793
Monoisotopic Mass197.82793
Topological Polar Surface Area3 Ų
Heavy Atom Count5
Formal Charge0
Complexity0
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count5
Compound Is CanonicalizedYes