Sodium Selenite

Sodium Selenite CAS No. 10102-18-8 also known as a Disodium salt of Selenious Acid is a white to off white solid powder. It has the Mol. Formula Na2SeO3, Mol. Wt.: 172.94 gmsmole,. with Selenium having (+4 )oxidation state . It is highly soluble in water, solubility in water : about 85 gms 100ml @ 20°c., but not soluble in ethanol. It is prepared by evaporation of aqueous solution of Sodium Hydroxide and Selenious Acid .
Sodium selenite contains Selenium, an essential trace element for animals, domesticated birds. Selenium is one of the most essential micro nutrient for overall development and the health of animals. The deficiency of Selenium in animals, domesticated birds results into various diseases affecting their health and reproductive performance ,or efficiency of egg production. Selenium is available in inorganic and also in its organic form . The inorganic form includes elemental selenium , Sodium selenite , Sodium selenate , etc. and organic form such as selenomethionines .