What is Mn2O3 Powder?

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What is it? Mn2O3 Pulver ? Manganese oxide trioxide, a compound with the chemical formula Mn2O3 has a molecularweight of 157.88. Black cubic crystals. Relative densities 4.50 Water, acetic acid, and ammonium chloride solution are insoluble. It is also insoluble in other inorganic acid. Cold hydrochloric acid is used to dissolve the substance to make a brown solution. Hot dilute sulfuric or concentrated sulfuric acids are used to create a red solution. The solution then undergoes decomposition into MnO2 & manganese Nitrate in hot acid. When heated, it becomes Mn3O4 and releases O2. It is available in two forms: g-Mn2O3 (a-Mn2O3). The a-type can only be made by heating divalent Manganese in air to 600800. The g type is made by heating MnO2 in vacuum at 500 for 48 hours. It is used in the printing, dyeing, and oxidation processes of carbon monoxide, as well as in the production of soft magnetic materials.
The properties of Mn2O3 powder
Manganese Trioxide is a black cubic crystalline, insoluble and insoluble in water, Acetic Acid, and Ammonium Chloride Solution. It is also soluble with other inorganic acid. When heated to 1080, it becomes Mn3O4 (and O2) It is dissolvable in cold hydrochloric to a brown solution. In Chemicalbook hot dilute or concentrated sulfuric acids, it can be made into a solution that is reddish in color. When heated, it will decompose into Mn3O4 & O2. It comes in two forms: a–Mn2O3 (g-Mn2O3) and g–Mn2O3.
Manganese Oxide Mn2O3 Powder Properties
Other Titles Manganese oxide, Manganese(3+) oxide, Manganese sesquioxide,
Dimanganese trioxide, Keto-(ketomanganiooxy)manganese,
Manganese(3+) oxide, Manganese trioxide,
Oxo-(oxomanganiooxy) manganese
No. 1317-34-6
Combination Formula Mn2O3
Molecular Weight 157.87
Appearance Black Solid
Melting Point 940 degC (1724 degF)
Solubility of in water N/A
Density 4.5 g/cm3
Purity 99.50%
Particle size 0.8mm
Boling Point N/A
Specific heat N/A
Thermal Conductivity N/A
Thermal Expansion N/A
Young’s Modulus N/A
Exact 173.856
Monoisotopic 173.856
Manganese Oxide Mn2O3 CAS 1317-34-6
The preparation for Mn2O3 Pulver
1. A-Mn2O3a can be prepared by further oxidation/reduction of manganese oxides or by heating divalent Manganese salts in air at 600-800degC. To heat manganese nuitrate hexahydrate, or pure b–MnO2, to a constant temperature at 650degC in the air is the easiest. Manganese nitrate-hexahydrate is used as the raw material. It must be heated to 190°C to create a solid substance. Pulverized material can then be heated to 650°C.
2. Preparation of G-Mn2O3In 350mL the solution, in which 2.2g Manganese Sulfate Tetrahydrate was dissolved was stirred vigorously. Next, 34mL dropwise of 3% Hydrogen Peroxide Solution was added, followed by 50mLs of 0.2mol*dm-3 Ammonia Water to create g–MnO(OH). To make the suspension that emits oxygen darken or black, heat for 4 minutes. Then filter and separate the solid. For gMn2O3, the gMnO(OH) was meticulously dehydrated at 250°C for three consecutive days. You can also prepare g–MnO2 by heating it at 500 degrees Celsius for 78h under less pressure.
Use of Mn2O3 Pulver
1. Mn2O3 can be used for a variety of purposes and is suitable for use in the dyeing and printing of fabrics.
2. It can catalyze the oxidation organic pollutants and of nitrogen oxides.
3. It can be used as a precursor to soft magnetic material.
4. Used as a raw ingredient in the production of lithium ion battery electrode materials.
5. It is the primary and intermediate product of manganese compounds.
The principal supplier of Mn2O3 Pulver
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