Products – Anmol Chemicals Private Limited

Magnesium Hydroxide BP

Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)₂.


Magnesium hydroxide is widely used as an antacid, laxative and pH regulator. It is widely used in waste-water treatment. Used as a fire retardant. It is widely used in Chemical and Pharmaceutical Industries.


Mol. Formula: Mg (OH)2
Mol. Wt.: 58.32g/mol
CAS No.: 1309-42-8



Test Specification
Characters It occurs as a white or almost white, fine, amorphous powder.

Test A


Test B


(a) The solution gives the reaction of magnesium.

(b) Loss on ignition: 29.0% to 32.5%.

Solubility Practically insoluble in water. It dissolves in dilute acids.
Appearance of Solution The solution is not more intensely colored than the reference solution B3.
Soluble substances Not more than 2.0 %.
Substances insoluble in acetic acid Not more than 0.1 %.
Chlorides Not more than 0.15%
Phosphates Not more than 0.1 %.
Sulfates Not more than 0.1%
Iron Not more than 0.07 %.
Calcium Not more than 1.5 %.
Loss on ignition 29.0% to 32.5 %.
Assay Not less than 95.0 % and not more than 100.5 % of Mg(OH)2.


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)