Selenium Dioxide Properties, Molecular Formula, Applications - WorldOfChemicals

Selenium Dioxide Properties

Selenium Dioxide

Molecule Structure Image

Description

 

Selenium dioxide is one of the most frequently encountered compounds of selenium. It is an important reagent in organic synthesis. It imparts a red colour to glass: it is used in small quantities to counteract the blue colour due to cobalt impurities and so to create colourless glass. In larger quantities, it gives a deep ruby red colour. It is the active ingredient in some cold-blueing solutions. It is also used as a toner in photographic developing.

Chemical Properties

Appearance White crystalline solid
Boiling Point 315 °C
CAS Number 7446-08-4
Density 3.95 g/cm3
EINECS Number 231-194-7
InChI 1S/O2Se/c1-3-2
InChIKey JPJALAQPGMAKDF-UHFFFAOYSA-N
Melting Point 340 ºC
Molar Mass 110.96 g/mol
Molecular Formula SeO2
NFPA 704 H-3,F-0,R-0,C-NA
Other_Cations Sulfur Dioxide;Tellurium Dioxide
RTECS Number VS8575000
Related Compounds Selenous Acid
Solubility 39.5 g/100 ml
Synonyms Selenium(IV) Oxide;Selenous Anhydride;Selenium Dioxide
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