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 :
|
Product name |
Selenious acid |
CAS: 7783-00-8 |
|
|
Apearances |
Colorless hexagonal crystal |
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|
TEST ITEMS |
TEST RESULT |
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|
AR |
CP |
|
|
H2O3Se |
≥ 97.0 |
95.0 |
|
|
Water insoluble matter |
≤ 0.005 |
0.01 |
|
|
Residue on ignition |
≤ 0.1 |
0.2 |
|
|
Cl |
≤ 0.005 |
0.005 |
|
|
Sulfate and selenate (sulfuric acid) |
≤ 0.05 |
0.1 |
|
|
N |
≤ 0.05 |
0.05 |
|
|
Fe |
≤ 0.002 |
0.005 |
|
|
Heavy metals (as Pb) |
≤ 0.02 |
0.06 |
|
