Selenium Dioxide

Selenium Dioxide is the chemical compound with the formula SeO2. This colorless solid is one of the most frequently encountered compounds of Selenium Dioxide. Selenium Dioxide is prepared by oxidation of Selenium by burning in air, nitric acid or by reaction with Hydrogen Peroxide, but perhaps the most convenient preparation is by the dehydration of Selenous Acid.

Specifications - Coumarin

Product	Selenium Dioxide
Structural formula
CAS No.	[7446-08-4]
Molecular formula	SeO₂
Molecular weight	110.96
Description	white hygroscopic powder.
Iron	Max. 0.005 %.
Heavy metals	Max. 0.01% .
Assay	Min. 99.0%.