Selenious acid

- CAS number
- 7783-00-8
- Molecular weight
- 128.97
- Molecular formula / chemical symbol
- H2O3Se
Description
Apearances: Colorless hexagonal crystal. Insoluble in water. Soluble in ethanol. Insoluble in ammonia.
USES
Can
be used as oxidant system other selenium compounds, used for making effective
drugs for the treatment of endemic Keshan disease sodium selenite, pharmaceutical
intermediates, chemical reagents, used as a chemical reagent and reducing agent.
Keywords:Surface treatment chemicals
Report
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Product name |
Selenious acid |
CAS: 7783-00-8 |
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Apearances |
Colorless hexagonal crystal |
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TEST ITEMS |
TEST RESULT |
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AR |
CP |
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H2O3Se |
≥ 97.0 |
95.0 |
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Water insoluble matter |
≤ 0.005 |
0.01 |
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Residue on ignition |
≤ 0.1 |
0.2 |
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Cl |
≤ 0.005 |
0.005 |
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Sulfate and selenate (sulfuric acid) |
≤ 0.05 |
0.1 |
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N |
≤ 0.05 |
0.05 |
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Fe |
≤ 0.002 |
0.005 |
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Heavy metals (as Pb) |
≤ 0.02 |
0.06 |
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