Arsenic (III) Oxide

Synonym: Arsenic trioxide, Diarsenic oxide, Diarsenic trioxide, Arsentrioxide
CAS Number 1327-53-3 | MDL Number MFCD00003433 | EC Number 215-481-4

Arsenic (III) Oxide Chemical Structure

Product CodeAS7533
CAS Number1327-53-3
Assay (purity)99.9%
Purity methodby elemental analysis
Molecular weight197.84
Formsolid
Appearancewhite powder
Sensitivityheat
Melting point312.3C
Boiling point460C
Molecular formulaAs2O3
Linear formulaAs2O3
Download Specification AS7533
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Safety information

Signal wordDANGER
Pictograms
Hazard statementsH300, H314, H350, H410
Precautionary statementsP201, P202, P260, P264, P270, P273, P280, P281, P301+P310, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P308+P313, P310, P321, P330, P363, P391, P405, P501
UN1561
Transport descriptionARSENIC TRIOXIDE
Hazardous class6.1
Packing groupII
In TSCA registryYes
Download SDS

Certificates of analysis (CoA)

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Lot# 68659

External identifiers for Arsenic trioxide

Pubchem CID261004
SMILESO=[As]O[As]=O
IUPAC Namearsenic(3+); oxygen(2-)
InchI IdentifierInChI=1S/As4O6/c5-1-6-3-8-2(5)9-4(7-1)10-3
InchI KeyKTTMEOWBIWLMSE-UHFFFAOYSA-N

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