Selenium dioxide
- CAS number
- 7446-08-4
- Molecular weight
- 110.96
- Molecular formula / chemical symbol
- SeO2
Description
Apearances: White lustrous tetragonal crystal, specific gravity 3.59-3.95. Highly volatile, the volatile condensate is white or pale yellow needles, without melting volatile.
USES
Manganese electrolysis with
additives: mainly used for beverage additives in trace elements, blackening
agent of iron and steel materials, can also be used as the oxidant, catalyst,
chemical reagents, etc.
Keywords:Surface treatment chemicals
Report
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Product name |
Selenium dioxide |
CAS: 7446-08-4 |
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Apearances |
White lustrous tetragonal crystal |
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TEST ITEMS |
TEST RESULT |
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AR |
CP |
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SeO2 |
≥ 99.0 |
98.0 |
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Residue on ignition (as sulphate) |
≤ 0.05 |
0.2 |
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|
Cl |
≤ 0.003 |
0.005 |
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Sulfate and selenate |
≤ 0.05 |
0.1 |
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Fe |
≤ 0.001 |
0.002 |
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Heavy metals (as Pb) |
≤ 0.001 |
0.05 |
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Water insoluble matter |
≤ 0.005 |
0.01 |
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