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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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 Number	1327-53-3
PubChem CID	14888
IUPAC Name	bis(arsenic(3+));tris(oxygen(2-))
Molecular Formula	As2O3
Molecular Weight	197.841
Topological Polar Surface Area	3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Heavy Atom Count	5
Formal Charge	0
Complexity	0

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

CAS: 1327-53-3

CID: 14888

Formula: As2O3

MW: 197.841

Interactive 3D Structure

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View on PubChem Raw 3D data

Computed Properties

Property	Value
Molecular Weight	197.841
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	197.82793
Monoisotopic Mass	197.82793
Topological Polar Surface Area	3 Å²
Heavy Atom Count	5
Formal Charge	0
Complexity	0
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently-Bonded Unit Count	5
Compound Is Canonicalized	Yes

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Alternative Products

Catalog	Name
441783-01	Arsenic Oxide (As2O3) discontinued. See 235340
M19481	Arsenic oxide
441784-01	Arsenic Oxide (As2O5)
235340-01	Arsenic (III) oxide, 99.95-100.05% ACS discontinued
sc-278710	Arsenic sponge
3120775	Arsenic trioxide
A35560	Arsenic pentafluoride
162681	Arsenic Trichloride
sc-506307	Arsenic triethoxide
260446-01	Arsenic pentoxide

Arsenic Oxide (As2O3)

Chemical Information

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