Products – Anmol Chemicals Private Limited

Sodium Selenite Pentahydrate BP

Sodium selenite is the disodium salt of selenious acid. It is an inorganic compound with the formula Na2SeO3. This salt is a colorless solid. The pentahydrate Na2SeO3.5H2O is the most common water-soluble selenium compound.


Used as an ingredient in dietary suppliments. Approved as a selenium supplement to animal diets; the most common form is sodium selenite for pet foods


Chemical Name: Sodium Selenite Pentahydrate
Mol. Formula: Na2SeO3.5H2O
Mol. Weight: 263.0g/mol
CAS No.: 26970-82-1


General Specifications:

Test Specification
Description It occurs as a white or almost white crystalline powder, hygroscopic.

Test (A)


Test (B)

Test (C)

Test (D)


(a)Specified Test. A red precipitate is formed which may become black

(b)Specified Test. The solution remains clear

(c)It gives reactions of sodium

(d) It complies with the limits of assay

Solubility Freely soluble in water, practically insoluble in ethanol
Appearance of Solution Solution S is clear and colorless
pH Between 9.8 and 10.8
Chlorides Not more than 50 ppm
Sulfates and Selenates Not more than 300 ppm
Iron Not more than 50 ppm
Assay Not less than 98.5% and not more than 101.5%


Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


We Manufacture Bulk Dugs/API, Excipients, pharmaceuticals (IP/BP/USP/NF/PH. EUR./JP), Speciality Chemicals (Pure/AR/ACS), mineral fortifiers (FCC). our manufacturing facility is GLP, GMP (FDA) approved, ISO 9001, ISO 14001, ISO 22000, FSSC 22000, FSSAI, kosher, halal, COPP and WHO-GMP certified.

Good Manufacturing Practice Certified by World Health Organization (WHO-GMP)
Written Confirmation Certification (WC)
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