Selenous acid
Properties
- Molecular formula
- H2O3Se
- Molar mass
- 128.98 g/mol
- Exact mass
- 129.9169 Da
- Density
- 3.004 g/mL (at 15 °C)
- Melting point
- 70 °C (decomposes)
- Water solubility
- 900 g/L
- logP
- -1.61Crippen estimate
- Polar surface area
- 57.5 Ų
- H-bond donors / acceptors
- 2 / 1
- Rotatable bonds
- 0
Hazards
Danger
- H301+H331 Toxic if swallowed or if inhaled10.8% of notifiers
- H301 Toxic if swallowed100% of notifiers
- H331 Toxic if inhaled99.1% of notifiers
- H373 May causes damage to organs through prolonged or repeated exposure48.9% of notifiers
- H400 Very toxic to aquatic life98.7% of notifiers
- H410 Very toxic to aquatic life with long lasting effects99.6% of notifiers
Aggregated from 231 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P260, P261, P264, P270, P271, P273, P301+P316, P304+P340, P316, P319, P321, P330, P391, P403+P233, P405, P501
Identifiers
CAS number
7783-00-8SMILES
O=[Se](O)OInChIKey
MCAHWIHFGHIESP-UHFFFAOYSA-NInChI
InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
5 names
- Selenious acid
- Selenious acid (H2SeO3)
- Monohydrated selenium dioxide
- Micro se
- Selenium hydroxide oxide (Se(OH)2O)
Work with Selenous acid
Similar compounds
Tanimoto similarity of circular fingerprints over the whole catalogue.