Bohr Materials

Selenium Oxide (SeO2) Hazardous

Best known for two jobs: putting oxygen on an allylic carbon, and standing in as the selenium source for what gets made downstream of it.

Specifications

ProductSelenium Oxide (SeO2)
SynonymsSelenium(IV) Oxide; Selenium Dioxide
CAS number7446-08-4
FormulaSeO2
Molecular weight110.97 g/mol
Grade99.9% (trace metals basis)
DocumentationProducer certificate of analysis per lot

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Applications

SeO2 is a long-established stoichiometric oxidant, used for allylic oxidation of alkenes and for oxidation of alpha C-H bonds next to electron-withdrawing groups. It is also a selenium source: for the manufacture of other selenium compounds, and in electrodeposition baths that grow selenide films such as CdSe. That film route is solution-phase, with the SeO2 dissolved in the plating bath.

  • Allylic oxidation of alkenes and alpha C-H oxidation
  • Selenium source for electrodeposited selenide films
  • Feedstock for other selenium compounds