High Drain EMD

Product Information
Brand Name Tronox Electrolytic Manganese Dioxide
Chemical Name Manganese Dioxide
Other Name EMD
Manufacture Location Henderson, Nevada USA
Formula MnO2
Molecular Weight 86.94
CAS Number 1313-13-9
Appearance Black powder
Grade High Drain(HD) Battery
Description An electrolytic, battery-active manganese dioxide, primarily intended for use in high drain 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) 300
Calcium, Magnesium (Ca, Mg) 400
Heavy Metals(Cu, Co, Cr, Ni,V, Pb, Mo, Sb, As) 6

* Total PPM

Typical Screen Analysis
U.S. Standard Sieve No. Percent Passing
200 (wet) 93%
325 (wet) 61%


Other Properties
Property Value
pH (10 g in 200 ml H2O) 6.5
Scott Density 27.0 g/in3
Potential (Alkaline Mix) 1.67 volts


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.


Download Safety Data Sheet (SDS):
Information concerning the handling and use of this product is provided in: U.S.(English), U.S.{English}, U.S.[English]. The SDS must be fully read and understood prior to any exposure, handling or use of the product.