Selenium trioxide

CAS Registry Number®

13768-86-0

CAS Name

Selenium trioxide

Molecular Formula

O3Se

Molecular Mass

126.96

Cite this Page

Selenium trioxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=13768-86-0 (retrieved 2024-12-02) (CAS RN: 13768-86-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    118 °C

  • Density (1)

    3.6 g/cm³

Source(s)

  • (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)

Other Names and Identifiers

InChI

InChI=1S/O3Se/c1-4(2)3

InChIKey

InChIKey=VFLXBUJKRRJAKY-UHFFFAOYSA-N

SMILES

[Se](=O)(=O)=O

Canonical SMILES

O=[Se](=O)=O

Other Names for this Substance

  • Selenium oxide (SeO3)
  • Selenium trioxide
  • Selenium trioxide (SeO3)

Deleted or Replaced CAS Registry Numbers

56591-40-3

CAS INSIGHTSTM
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