Electrolytic Manganese Dioxide
Overview
Used in the manufacture of dry-cell alkaline batteries.
Product Information
| Brand Name | Electrolytic Manganese Dioxide (EMD) |
| Chemical Name | Manganese Dioxide |
| Manufacture Location | Henderson, Nevada USA |
| Formula | MnO2 |
| Molecular Weight | 86.94 |
| CAS Number | 1313-13-9 |
| Appearance | Black powder |
| Grade | Alkaline Battery (AB) |
| Description | An electrolytic, battery-active manganese dioxide, primarily intended for use in alkaline batteries |
Typical Chemical Analysis
| Element | Percent Weight |
| Manganese (MnO2) | 92 |
| Sulfate (SO4) | 1.25 |
| Moisture (Free and Bound H2O) | 5 |
| HCl insolubles | 0.06 |
Other Minor Constituents
| Element | PPM |
| Iron (Fe) | 30 |
| Titanium (Ti) | 10 |
| Fired Aluminum Oxide (Al2O3) | 300 |
| Sodium (Na) | 2250 |
| Potassium (K) | 400 |
| Calcium, Magnesium (Ca, Mg) | 550 |
| Heavy Metals (Cu, Co, Cr, Ni, V, Pb, Mo, Sb, As) | 6 |
Typical Screen Analysis
Typical Screen Analysis
| U.S. Standard Sieve No. | Percent Passing |
| 200 (wet) | 92% |
| 325 (wet) | 58% |
ElectrolyticManganese Dioxide
Other Properties
| Property | Value |
| pH (10 g in 200 ml H2O) | 6.5 |
| Scott Density | 26.5 g/in3 |
| Potential (Alkaline Mix) | 1.64 volts |
Packaging
Manganese dioxide is packaged in 50-pound five-ply paper bags and 3,000-pound supersacks. Unitization on wood pallets with shrink film over-wrap is available for 50-pound bags.