Manganese Carbonate
Manganese carbonate, or manganese carbonate, is an inorganic compound, carbonate of divalent manganese, chemical
formula, soluble in dilute acid, insoluble in water and ethanol. Manganese carbonate is the raw material for manufacturing
soft magnetic ferrite for telecommunication equipment, synthesising manganese dioxide and manufacturing other manganese
salts. It is used as a catalyst for desulphurisation and as a pigment for enamels, paints and varnishes. Also used as fertiliser and
feed additive. It is used in medicine, welding rod auxiliary material, etc. It is used as raw material for the production of electrolytic
manganese metal.
| Manganese Carbonate |
| Product name |
Manganese Carbonate |
| Mn |
43.5%min |
| Pb |
6ppm max |
| Cd |
5ppm max |
| As |
2ppm max |
| Fe |
≤0.005% |
| Zn |
≤0.005% |
| Ci |
≤0.01% |
| SO4 |
≤0.02% |
Physical and Chemical Properties
Rose-coloured rhombic crystals of the triangular crystal system or amorphous bright white brown powder. Relative density 3.125,
practically insoluble in water, slightly soluble in carbon dioxide-containing water (i.e. carbonic acid), insoluble in alcohols and
liquid ammonia.
Soluble in dilute inorganic acids, slightly soluble in common organic acids. Stable in dry air. Easily oxidised when wet, forming
di-manganese trioxide which gradually turns brownish-black and emits carbon dioxide when heated. Hydrolysed when boiling
with water. In boiling potassium hydroxide, generates manganese hydroxide.
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