Magnesium Hydroxide IP / BP / USP

Product Details

Appearance A white powder
Solubility Practically insoluble in water and in ethanol (95%). It dissolves in dilute acids.
Identification Reaction A for Magnesium salt
Appearance of solution Not more intensely than Ref.sol BS3
Arsenic Not more than 4 ppm
Heavy Metals Not more than 30 ppm
Chloride Not more than 0.1 %
Sulphate Not more than 0.5 %
Calcium Not more than 1.5 %
Iron Not more than 0.08 %
Soluble substances Not more than 10 mg
Substances insoluble in Acetic Acid Not more than 5 mg
Loss on ignition Between 30.0 % to 32.5 %
Assay as Mg(OH)2 Between 95 % to 100.5 % of Mg(OH)2

Packing : 25 kg HDPE Bag

Storage : Store protected from moisture


  • Widely used as an Antacid in many formulations
  • Also used as intermediate for obtaining magnesium metal
  • residual fuel oil additive
  • sulfite pulp
  • uranium processing
  • dentifrices, in food as alkali, drying agent
  • color retention agent, frozen deserts