Products – Anmol Chemicals Private Limited

Magnesium Phosphate USP

Magnesium phosphate is an ionic compound composed of the magnesium cation (Mg2+) and phosphate anion (PO43-). This is a salt with a hydrated crystalline structure. Being hydrated, the water of crystallization is found in the crystal structure of magnesium phosphate. It is found in amorphous forms also. The chemical formula of magnesium phosphate is Mg3(PO4)2.


It is used as a stabilizer and pH control agent. It is also used as an anti-caking agent. It is widely used in chemical and pharmaceutical industries.


Chemical Name: Magnesium Phosphate
Mol. Formula: Mg3(PO4)2
Mol. Weight: 262.86 g/mol
EINECS EC Number: 231-823-5
CAS No.: 7757-87-1


Test Specification…….USP
Characters It occurs as a white odorless tasteless powder.




(a)Specified Test.

(b)It gives positive test for Magnesium.

Solubility Soluble in diluted mineral acids; practically insoluble in water.
Loss on ignition Between 20.0%–27.0% of its weight.
Acid insoluble Substances Not more than 0.2%
Soluble Substances Not more than 1.5%
Carbonate Specified test. No effervescence occurs when the acid is added.
Chlorides Not more than 0.14%
Nitrates Specified test. The blue color persists for NLT 5 min.
Sulfates Not more than 0.6%
Arsenic Not more than 3ppm
Barium Specified test. No turbidity is produced within 15 mins
Calcium Specified test. NMT a slight turbidity is produced within 5 min.
Dibasic salt and magnesium oxide Specified test.
Lead Not more than 5ppm
Residual Solvents Meets the requirement
Assay Not less than 98.0% and not more than 101.5% on the previously ignited basis

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)
Good Manufacturing Practice (EXCiPACT cGMP)
Good Manufacturing Practice (cGMP)
Good Laboratory Practice (GLP)