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CAS 7446-08-4 Selenium dioxide/Selenium(IV) oxide
1. appearance white crystalline solid
2.package 25kg/drum
3.purity 98%
CAS 7446-08-4 Selenium dioxide/Selenium(IV) oxide
♦ It is square crystal with gloss white, extremely volatile
♦ It can volatile without melting, with volatilization temperature 315°C and melting point 340350°C
♦ It is dissoluble in water forming to H2SeO3.
♦ Gaseous selenium dioxide id toxic with color of Kelly and smell of garlic. Selenium dioxide is strong
oxidant, can be deoxidized to Se by SO2, H2, NH3, CO, C.
the COA of CAS 7446-08-4 Selenium dioxide/Selenium(IV) oxide
Selenium dioxide (selenious acid anhydride, Selenious anhydride, SeO2 )
Purity:98%-99%,
Molecular formula: SeO2
Molar mass: 110.96 g/mol
Appearance White crystalline solid
Density 3.95 g/cm3, solid
Boiling point 315 ° C sublimes