Selenous acid, 99.999% trace metals basis

Synonyms: Selenious acid

CAS Number: 7783-00-8

Formula: H2O3Se

Formula Weight: 128.97

Linear Formula: H2SeO3

MDL No.: MFCD00011331

Purity: 99.999% trace metals basis

Melting Point: 70 C (dec.) (lit.)

Density: 3.004 g/mL at 25 C(lit.)

EC Number: 231-974-7

UNSPSC Code: 12352300

General description: Selenous acid is a dibasic acid. It is the oxoacid of selenium and can be formed by adding selenium dioxide gas to water. Selenous acid shows analogy to sulfurous acid. As a crystalline solid, the molecules are arranged in a pyramid and in a solution it behaves as a diprotic acid.

Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 229857.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.