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Manganese Oxide / Manganese Dioxide Powder (MnO2) from READE PDF Print E-mail


  • Manganese Oxide / Manganese Dioxide Synonyms:

    Manganese dioxide (MnO2), Manganese oxide (MnO), Manganese (IV) oxide, CAS # 1313-13-9,  MIL-M-3281A,  Black manganese oxide, BOG manganese, Braunstein, Bruinsteen, Cement black, Mangaanbioxyde, Mangaandioxyde, Mangandioxid, Manganese biossido di, Manganese bioxyd de, Manganese diossido di, Manganese dioxyde de, Manganese binoxide, Manganese black, Manganese dioxide, Manganese dioxide ore, Manganese peroxide, Manganese superoxide, Pyrolusite brown,  
  • Manganese Oxide / Manganese Dioxide Formula: 

                MnO & Mn0

  • Manganese Oxide / Manganese Dioxide Description:

a) Cubic green crystals that are insoluble in water but soluble in acids.

b) Manganese dioxide is the inorganic compound with the formula MnO2. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese

  • Manganese Oxide / Manganese Dioxide Typical Chemical Properties Available:

Mn= 55.8% , MnO2 = 84.41% and Fe= 1.6%

  • Manganese Oxide / Manganese Dioxide Typical Physical Properties Available:

Available from READE as sintered pieces, targets, and various granulations of coarse and low micron powder

  • Manganese Dioxide Nominal Physical Constants (MnO2):

Molecular Weight (g/mol.)



black solid

Density (g/cm3)


Melting Point (°C)


Flash Point (°C)


Surface Areas Available (m2/g)

from 2 to 260



RTECS Number


Solubility In Water


Specific Gravity


  • Manganese Oxide / Manganese Dioxide Typical Applications:

a) MnO2 is used as a colorant and decolorizer in glass, white ware, enamels and pottery.

b) It is also used in battery cathode mixes and electronics. 

c) There is promising potential to use MnO2 in solid state lithium-ion batteries for automobiles. 

d) MnO is used in ferromagnetic ferrites and as a catalyst

  • Manganese Oxide / Manganese Dioxide Typical Packaging:

50 lbs. bags, poly-lined fiber drums and bulk bags

  • Manganese Oxide / Manganese Dioxide TSCA (SARA Title III) Status:

a) Listed. Hazard Communication Rule #  29 CFR 1910.1200

b) External Link To:NIOSH International Safety Card on MnO2

  • Manganese Oxide / Manganese Dioxide EU Classification:

a) "Harmful (Xn) Oxidizer (O)"

b) "Not combustible but enhances combustion of other substances"

  • Manganese Oxide / Manganese Dioxide CAS Number:

a) MnO= CAS# 1344-43-0

b) MnO2= CAS# 1313-13-9

  • Manganese Oxide / Manganese Dioxide UN Number:

MnO2= UN 1479

  • Manganese Dioxide Military Specification Number:
















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