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Magnesium Hydroxide

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

Test (A)

Test (B)

(a)Gives the reaction of magnesium

(b)Loss on ignition

Solubility Practically insoluble in water. It dissolves in dilute acids.
Appearance of solution The solution is not more intensely colored than the reference solution
Soluble substances Not more than 2.0%
Substances insoluble in acetic acid Not more than 0.1%
Chlorides Not more than 0.1%
Sulphates Not more than 1.0%
Arsenic Not more than 4 ppm
Calcium Not more than 1.5%
Iron Not more than 0.07%
Heavy Metals Not more than 30 ppm
Loss on ignition 29.0% to 32.5%
Assay Not less than 95.0% and not more than 100.5% of Mg(OH)2
Test Specification...IP
Appearance A bulky white powder
Solubility Practically insoluble in water. It dissolves in dilute acids
Appearance of solution The solution is not more intensely colored than the reference solution
Arsenic Maximum 4ppm
Heavy metals Maximum 30ppm
Iron Maximum 0.08%
Chlorides Maximum 0.1%
Sulphates Maximum 0.5%
Calcium Maximum 1.5%
Soluble substances Maximum 1%
Substances insoluble in acetic acid Maximum 0.1%
Loss on ignition Between 30% and 32.5%
Assay Not less than 95% and not more than 100.5%
Test Specification...USP
Appearance White or almost white, fine, amorphous powder
Solubility Practically insoluble in water. It dissolves in dilute acids
Appearance of solution The solution is not more intensely colored than the reference solution
Microbial enumeration test Absence of Escherichia Coli
Loss on drying Maximum 2%
Loss on ignition Between 30% and 33%
Soluble salts Passes test
Carbonate Passes test
Calcium Maximum 1.5%
Heavy metals 20 micro-gm per gm
Lead Maximum 0.00015%
Organic volatile impurities Passes test
Residual solvents Passes test
Assay Not less than 95% and not more than 100.5%

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.

Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.

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