Manganese (IV) Oxide 75%


Manganese(IV) oxide is the inorganic compound with the formula MnO 2. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules

  • Organic Synthesis
  • Pigment
  • Depolarizing agent in dry cell batteries
  • Pyrotechnic formulations
  • Oxidising Agent
  • Decolourising Agent

Minimum Assay: >75%
Molecular Formula: MnO2
Molecular Weight: MnO2
Melting Point: 535oC
Free Moisture: <0.13%
Iron (Fe): <0.1%
Lead (Pb): <0.09%
Copper (Cu): <0.002%
Sulphate (SO4): <0.8%
pH (5% Water): 5.5
Density: 5.63 gm/cm3

Hazard Phrases: Harmful if swallowed. Harmful if inhaled. May cause damage to organs through prolonged or repeated exposure.

Prec Phrases: Do not breathe dust/fume/gas/mist/vapours/spray. Wash hands thoroughly after handling. Do no eat, drink or smoke when using this product. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician if you feel unwell. Get medical advice/attention if you feel unwell. Dispose of contents/container.


Cas No: 1313-13-9
Einecs No: 215-202-6

HS CODE: 2820100000


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


Additional information

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250gm, 500gm, 1Kg, 2.5Kg, 5Kg, 25Kg