Manganese (IV) Oxide 75%

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Price: £8.95

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Stock Availability

On Shelf - Approx. UK delivery date: Friday the 08th August 2025*

In bulk stock - ships within 10 - 15 Working Days (Excluding weekends and public holidays)

4 to 6 weeks approx. (Not guaranteed)

UK Shipping

We can only ship to Northern Ireland where a Royal Mail postal option has been chosen at checkout.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

Applications

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

General

What is Manganese (IV) Oxide? Also known as manganese dioxide (MnO₂), is a black or dark brown solid that occurs naturally as the mineral pyrolusite. It is a compound with manganese in the +4 oxidation state. Manganese(IV) oxide is widely used as a reagent in inorganic synthesis, as a pigment in ceramics and glass, and most notably, as a depolariser in dry-cell batteries (both alkaline and zinc-carbon). It also acts as a catalyst in various reactions, including the decomposition of hydrogen peroxide.

Consistent Quality: We provide only high-quality Manganese (IV) Oxide, ensuring reliable and consistent performance for all applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

Frequent Uses

Batteries
The principal use for MnO₂ is for dry-cell batteries, such as the alkaline battery and the zinc–carbon battery, although it is also used for other battery chemistries such as aqueous zinc-ion batteries.

Ceramics and Glass
Used as an inorganic pigment to colour ceramics and glass. Can also be used to decolourise glass that has been coloured green by iron impurities.

Organic Chemistry
MnO₂ is a mild oxidising agent used in organic chemistry, particularly for the oxidation of allylic alcohols to α,β-unsaturated aldehydes and ketones.

Specification

Minimum Assay: >75%
Molecular Formula: MnO2
Molecular Weight: 86.94 g/mol
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

Hazards

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 to

respiratory CLP Image Harmful CLP Image

Cas No: 1313-13-9

Einecs No: 215-202-6

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Code	Pack	Price
ECE9303-X	100g Foil Pouch	£8.95
ECE9303-2X	250g Foil Pouch	£12.95
ECE9303-5X	500g Foil Pouch	£15.95
GPC9303-Y	1Kg	£28.95
GPC9303-2.5Y	2.5Kg	£57.95
GPC9303-5Y	5Kg	£102.95
ECE9303-25Y	25Kg	£378.95

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