Selenious acid

CAS Registry Number®

7783-00-8
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CAS Name

Selenious acid

Molecular Formula

H2O3Se

Molecular Mass

128.97

Cite this Page

Selenious acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7783-00-8 (retrieved 2024-03-29) (CAS RN: 7783-00-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    70 °C (decomp)
  • Density (1)

    3.004 g/cm³ @ Temp: 15 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)

InChIKey

InChIKey=MCAHWIHFGHIESP-UHFFFAOYSA-N

SMILES

[Se](=O)(O)O

Canonical SMILES

O=[Se](O)O

Other Names for this Substance

  • Selenious acid
  • Selenious acid (H2SeO3)
  • Monohydrated selenium dioxide
  • Micro Se
  • Selenium hydroxide oxide (Se(OH)2O)

Deleted or Replaced CAS Registry Numbers

11140-60-6, 1408288-83-4, 2225846-51-3, 2771671-88-4

CAS INSIGHTSTM
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