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Activated Manganese Dioxide

Activated Manganese Dioxide is a synthetic form of the Chemical Manganese dioxide. Synonyms of Activated Manganese Dioxide are “Manganese Dioxide Activated, Activated MnO2 , and Activated Manganese (IV) Dioxide”.

Activated MnO2 is an inorganic chemical compound in different colors depending on the raw material, route of synthesis, and process parameters. It is used in various industries as an oxidizer and catalyst. The most applied use for this material is for Organic Synthesis. This material is different from naturally occurring Manganese dioxide from ore. This material is multiple times more expensive than naturally occurring material. The application is specific to the process reaction, yield, and impurity profile. These grades are made from high-quality raw materials that are not natural but chemically synthesized.

PROPERTIES OF MnO2

CAS No : 1313-13-9
EC Number : 215-202-6
Density : 5.03 g/cm3
Molecular Weight : 86.93 gm/mol
Molecular Formula : MnO2
Melting point : 535°C
Solubility: Insoluble in Water, Nitric Acid, or Cold Sulphuric Acid, and it may slowly dissolve in Aqueous HCl to give off Cl2 gas.
Vishnupriya Chemicals Private Limited manufactures and supplies Activated Manganese Dioxide to various industries across the globe.

Activated Manganese Dioxide Production :

  • Manganese Dioxide Activated is produced from Manganese metal or Manganese Salts. Various synthesis methods result in different grades having different properties and characteristics and catalytic behavior used in multiple applications.

Activated Manganese Dioxide Properties :

  • MnO2 Activated is a known strong Oxidiser. Due to its excellent depolarization activity (i.e., excellent discharge performance), Manganese Dioxide Activated is a γ crystalline form of Manganese dioxide (γ-MnO2). This property of γ diffraction pattern makes it chemically strong in the reaction, resulting in the desired output.
  • Manganese Dioxide Activated is the conventional and the best manganese-based reagent used for the oxidation of alcohols to aldehydes or ketones. Saturated and unsaturated primary and secondary alcohols can be converted to aldehydes and ketones when manganese dioxide is activated. It is mildly sufficient to apply to susceptible compounds like Vitamin A1.

Activated Manganese Dioxide Uses

Organic Synthesis :
  • Manganese dioxide catalyst is used in oxidation reactions.
  • Oxidizes allylic or benzylic alcohols to their aldehyde or ketone.
  • Conversion of Benzyl Alcohol to Benzaldehyde.
  • Conversion of Vitamin A to Retinal (A1 Aldehyde).
  • Conversion of Chalcone Phenyl hydrazine to Pyrazole.
  • Used in Oxygen Manufacturing.
  • Catalyst for the oxidation process of dissolved Ferrous & Manganese salts.
Poly Sulphide Sealants :
  • Activated Manganese dioxide is widely used as a curing agent for polysulphide sealants applied to insulating glass units, aircraft, and numerous construction projects, e.g., buildings, roads, airports & chemical plants. It is an oxidizer in hardening Polysulphide resins with Disulphide linkages. It is vital in the Polysulphide Sealant’s formulation, application, and end property development.
  • Tailoring the chemical and physical parameters of Manganese dioxide enables the Sealant’s essential formulation, application, and performance properties to be modified to suit the precise requirements of the desired application.
Contact Us for Activated Manganese Dioxide Grades MnO2 VHP, MnO2 HPX, MnO2 HPMX, MnO2 OG, and MnO2 CG.