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Selenium dioxide CAS 7446-08-4

Selenium dioxide is white or light yellow monoclinic or tetragonal crystal system crystals, hygroscopic and irritating acidic smell. Soluble in water, ethanol, acetone, acetic acid and benzene.
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  • 7446-08-4

  • bosschemical

  • 7446-08-4

Selenium dioxide CAS No. 7446-08-4

Alias:Seleniousacidanhydride;SELENIOUSANHYDRIDE;SELENIUMAA/ICPCALIBRATION/CHECKSTANDARD;SELENIUMAASINGLEELEMENTSTANDARD;SELENIChemicalbookUM,AASSTANDARDSOLUTION;SELENIUMAASTANDARD;SELENIUMATOMICABSORPTIONSINGLEELEMENTSTANDARD;SELENIUMATOMICABSORPTIONSTANDARD

Molecular formula:O2Se

Molecular weight:110.96

Structural formula:

二氧化硒 结构式

1.Performance and use

Selenium dioxide is used in the production of high purity selenium and other selenium compounds, as well as an oxidising agent and catalyst for organic synthesis of drugs.

Selenium dioxide is used as an oxidant, catalyst, chemical reagent for organic compounds, and raw material for the manufacture of various inorganic selenium compounds. Also used in photocopiers and rectifiers.


2.Technical indicators

test method: Catalytic polarography

Purity

≥99.0%min

Loss on drying

≤1.0%

Sulfate

≤0.03%

Insoluble matter

≤0.02%

Heavy metal

≤0.0008

Fe

≤0.002%

Cl

≤0.005%

Conclusion

Pass



3. Packaging and storage  

Packaging specification: 25kg/bag,which can also be determined according to user needs

During transportation, it is necessary to protect against sunlight, rain, and high temperatures.

The product should be stored in a cool, dark, ventilated place, away from sources of fire.

4. Safety protection

Pay attention to labor protection when handling it and avoid contact with skin, eyes, etc.

After contact, rinse immediately with plenty of water


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selenium dioxide price    




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