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Selenium dioxide cas 7446-08-4

Production name: Selenium dioxide
Cas No.:7446-08-4
Molecular Formula:O2Se
Molecular weight: 110.96
Selenium Dioxide≥98.0 %
Hydrochloric acid insoluble≤ 0.02 %
Fe≤ 0.002 %
Loss on drying≤ 1.0%
Selenate and sulphate≤ 0.1 %
Water dissolution test eligibleEligible
Cl≤ 0.005%
Heavy Metal≤  0.06%


It is used to make high purity selenium and other selenium compounds, as well as oxidants and catalysts for organic synthetic drugs.


It should be sealed and shaded to be stored in a dry, cool, well ventilated place.