Manganese Chloride USP
Abstract
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.
Use/Application
Manganese chloride is used in the production of dry cell batteries. It is the precursor to the antiknock compound methyl cyclo pentadienyl manganese tricarbonyl.
Identity
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 |
| Identification
Test(A) 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.
Other
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We observe WHO Good manufacturing practice and Good laboratory practice.
