Manganese Sulphate USP


Manganese Sulphate is an inorganic compound used as a precursor to obtaining manganese metal and other compounds. It is one of the most abundant elements found in the earth’s crust. It occurs in the atmosphere from dust, volcanic activity, forest fires, and industrial emissions, and is also present in foods and drinking water.



Manganese Sulphate is used in fertilizers, feed additives, paints, varnishes, ceramic, textile dyes, medicines, and fungicides.



Chemical Name: Manganese Sulphate

Synonyms: Manganese(II) Sulphate

CAS No.: 10034-96-5

Molecular formula: MnSO4.H2O

Molecular Weight: 169.02 g/mol


General Specifications

Test Specification…USP
Characters It occurs as pale red, slightly efflorescent crystals or purple, odorless powder.

Test (A)

Test (B)


(a) Gives the reaction of Manganese

(b)Gives the reaction of Sulfate

Solubility Soluble in water; insoluble in alcohol.
Substances not precipitated by ammonium sulfide Not more than 0.5%
Residual Solvents Meets the requirements
Assay Not less than 98.0% and not more than 102.0% of MnSO4·H2O


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.


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We observe WHO Good manufacturing practice and Good laboratory practice.

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