Sodium Selenite is the inorganic compound with the formula Na2SeO3. This salt is a colourless solid.
The pent-hydrate Na2SeO3 (H2O)5 is the most common water-soluble selenium compound.
|
Sr. No. |
Test |
Specification |
|
1 |
CAS Number: |
10102-18-8 |
|
2 |
Formula |
Na2SeO3 |
|
3 |
Molecular weight |
172.94 |
|
4 |
Synonym |
|
|
5 |
Appearance (color) |
WHITE TO OFF WHITE
|
|
6 |
Appearance (form) |
Crystalline |
|
8 |
Selenium |
45% min |
|
9 |
Iron |
< 0.01 % |
|
10 |
Sulphate |
< 0.45 % |
|
11 |
LOSS ON DRYING |
<0.50% |
|
|
|
|
Uses: Sodium Selenite is mainly used in the manufacture of colourless glass. The pink color imparted by these selenites cancels out the green color imparted by iron impurities.
Because Selenium is an essential element, Sodium Selenite is an ingredient in some food supplements.