Arsenic trioxide
Properties
- Molecular formula
- As2O3
- Molar mass
- 197.84 g/mol
- Exact mass
- 197.8279 Da
- Density
- 3.7–4.2 g/mL
- Melting point
- 275–313 °C
- Boiling point
- 460 °C
- Water solubility
- 12 g/L (20 °C)
- logP
- -1.12Crippen estimate
- Polar surface area
- 85.5 Ų
- H-bond donors / acceptors
- 0 / 0
- Rotatable bonds
- 0
Hazards
Danger
- H300 Fatal if swallowedAcute toxicity, oral
- H314 Causes severe skin burns and eye damageSkin corrosion/irritation
- H350 May cause cancerCarcinogenicity
- H400 Very toxic to aquatic lifeHazardous to the aquatic environment, acute hazard
- H410 Very toxic to aquatic life with long lasting effectsHazardous to the aquatic environment, long-term hazard
Harmonised EU classification (CLP Annex VI, index 033-003-00-0), via PubChem.
Precautionary statements
P203, P260, P264, P270, P273, P280, P301+P316, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P318, P321, P330, P363, P391, P405, P501
Identifiers
CAS number
1327-53-3SMILES
[O-2].[O-2].[O-2].[As+3].[As+3]InChIKey
QTLQKAJBUDWPIB-UHFFFAOYSA-NInChI
InChI=1S/2As.3O/q2*+3;3*-2Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
15 names · show all
- Arsenic oxide (As2O3)
- Arsenic sesquioxide
- Arsenous oxide
- White arsenic
- Arsenous anhydride
- Arsodent
- Diarsenic trioxide
- Arsenious oxide
- Arsenicum album
- Arsenic sesquioxide (As2O3)
- Arsenic oxide (AsO1.5)
- Arsenious trioxide
- Trisenox
- Arsenic(III) trioxide
- Trisonex
Work with Arsenic trioxide
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern
Similar compounds
Berkelium(IV) oxide12010-84-333 % similar
Chromium oxide (Cr2O5)12018-34-733 % similar
Gallium sesquioxide12024-21-433 % similar
Lutetium oxide (Lu2O3)12032-20-133 % similar
Thulium oxide (Tm2O3)12036-44-133 % similar
Praseodymium oxide (Pr6O11)12037-29-533 % similar
Lithium oxide12057-24-833 % similar
Scandium oxide (Sc2O3)12060-08-133 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.