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Magnesium Sulphate Heptahydrate

Test Specification...BP
Characters It occurs as white or almost white, crystalline powder or brilliant, colourless crystals.
Identification Test(A) Test(B) A. It gives the reactions of sulfates B. It gives the reaction of magnesium
Solubility Freely soluble in water, very soluble in boiling water, practically insoluble in ethanol (96%).
Appearance of Solution Solution is clear and colourless
Acidity or alkalinity Not more than 0.2 mL of 0.01 M hydrochloric acid or 0.01 M sodium hydroxide
Chloride Not more than 300ppm
Arsenic Not more than 2ppm, determined on 0.5 g.
Iron Not more than 20ppm
Loss on drying Loses 48.0%–52.0% of its weight, determined on 0.500 g
Assay Not less than 99.0% and not more than 100.5% (Dried substance)
Test Specification...IP
Characters It occurs as a Colourless crystals or a white, crystalline powder
Identification Test (A) Test (B) (a)It gives the reaction of sulfates (b)It gives the reaction of magnesium
Solubility It is very soluble in boiling water, freely soluble in water, practically insoluble in ethanol (95%)
Appearance of solution The solution is clear and colorless
Acidity or alkalinity Specified Test.
Chlorides Not more than 300 ppm
Arsenic Not more than 2 ppm
Iron Not more than 200 ppm
Heavy Metals Not more than 10 ppm
Loss on drying 48.0% to 52.0%
Assay Not less than 99.0% and not more than 100.5% (dried substances)
Test Specification...FCC
Characters It occurs as a colorless crystal or a granular crystalline powder
Identification Test(A) (a) A 1:20 aqueous solution gives positive tests for Magnesium and for Sulfate
Solubility It is readily soluble in water, slowly soluble in glycerine, and sparingly soluble in alcohol.
Lead Not more than 4 mg/kg
Loss on ignition Between 40.0% - 52.0%
Selenium Not more than 0.003%
Assay Not less than 99.5% of MgSO4 after ignition
Test Specification...USP
Characters It occurs as white powder or small, colorless crystals, usually needle like with a cooling, saline, bitter taste.
Identification Test(A) (a)A solution 1 in 20 responds to the tests for magnesium and for sulphate
Solubility Very soluble in boiling water; freely soluble in water; freely (and slowly) soluble in glycerin; sparingly soluble in alcohol.
pH Between 5.0 and 9.2
Chloride Not more than 0.014%
Iron Not more than 0.5 µg/g
Selenium Not more than 30 µg/g
Loss on ignition Loses 40.0%–52.0% of its weight
Residual solvents Meets the requirements
Assay Not less than 99.0% and not more than 100.5% on the anhydrous by ignition 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.

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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