Manganese Chloride USP

Manganese chloride describes a series of compounds with the formula MnCl2 (H2O)x,  where the value of x can be 0, 2, or 4. The tetrahydrate is the most common form of “manganese (II) chloride” and is represented by the formula MnCl2·4H2O, but the anhydrous form and dihydrate MnCl2·2H2O are also known.


Manganese chloride is used in the production of dry cell batteries. It is the precursor to the antiknock compound methyl cyclo pentadienyl manganese tricarbonyl.


Chemical Name: Manganese Chloride
Mol. Formula: MnCl2
Mol. wt.: 125.84 g/mol
CAS No: 7773-01-5


General Specifications

Test Specification
Characters It appears as a large, irregular pink odorless translucent crystals or crystalline powder


Test (B)


a)      Test for Chlorides

b)      Test for Manganese

Solubility Soluble in water and  in alcohol and insoluble in ether
pH 3.5-6.0
Sulfate Not more than 0.005%
Substances  not-precipitated by ammonium sulfide Not more than 0.2% as sulfate
Iron Not more than 5ppm
Zinc No turbidity is produced within 5 minutes.
Insoluble matter Not more than 0.005%
Heavy metals Not more than 5 ppm
Assay Not less than 98.0% and not more than 101.0% of MnCl2 on dried 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.


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We observe WHO Good manufacturing practice and Good laboratory practice.

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