Selenous Acid CAS #: 7783-00-8

Synonyms Selenium acid, Selenious acid (H2SeO3), Hydrated selenium dioxide, Selenium dioxide, monohydrated

Compound Formula: H2O3Se Molecular Weight: 128.97 Appearance: White Crystals Melting Point: 70 °C Boiling Point: N/A Density: 3.004 g/mL at 25 °C Solubility in H2O: N/A Exact Mass: N/A Monoisotopic Mass: 129.916916 Charge: N/A

Health & Safety Information Signal Word: Danger Hazard Statements: H301-H331-H373-H410 Hazard Codes: T,N Risk Codes: 23/25-33-50/53 Safety Statements: 20/21-28-45-60-61 RTECS Number: VS7175000 Transport Information: UN 3283 6.1/PG 2 WGK Germany: 3

Chemical Identifiers Linear Formula: H2SeO3 Pubchem CID: 1091 MDL Number: MFCD00011331 EC No.: 231-974-7 IUPAC Name: selenous acid Beilstein/Reaxys No.: N/A SMILES: O=[Se](O)O InchI Identifier: InChI=1S/H2 O3Se/c1-4(2)3 /h(H2,1,2,3) InchI Key: MCAHWIHFGHIESP-UHFFFAOYSA-N