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Selenium dioxide

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Selenium dioxide

Molecular formula: O2Se CAS# 7446-08-4
Categories: Oxide
PubChem CID: 24007 | ChemSpider ID: 22440
Names
English:
EINECS:231-194-7
Oxoselane oxide
Selenious anhydride
Selenium dioxide(IUPAC) [Wiki]
Selenium oxide
Selenium(IV) oxide
Selenous anhydride
Русский:
Диоксид селена [Wiki]
German:
Selen(IV)-oxid
Selendioxid [Wiki]
Selenigsäureanhydrid
Italiano:
Diossido di selenio(IUPAC) [Wiki]
anidride seleniosa
biossido di selenio
日本語:
二酸化セレン(IUPAC) [Wiki]
無水亜セレン酸
中文:
二氧化硒 [Wiki]
氧化硒(IV)

Variants of the formula:

SeO2
O=Se=O
O//Se//O
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Selenium dioxide is involved

  • {X} + O2 = {X}O2 , where X = S Se C Si
  • SeO2 + H2O2 -> H2SeO4
  • 2Au + 6H2SeO4 "230-300^oC"--> Au2(SeO4)3 + 3SeO2 + 6H2O
  • H2SeO3 ">70^oC"--> SeO2 + H2O
  • SeO2 + H2O -> H2SeO3