What is Mn2O3 Powder?

What is it? Mn2O3 Pulver ? Manganese oxide trioxide, a compound with the chemical formula Mn2O3, and a molecularweight of 157.88, is an oxide. Black cubic crystals. Relative densities 4.50 Water, acetic acid, and ammonium chloride solution are insoluble. It is also insoluble in other inorganic acid. It can be dissolved in cold chloric acid to make a brown solution or in hot dilute sulfuric and concentrated sulfuric acids to make a red solution. Once heated, it will decompose into MnO2 & manganese Nitrate, and then decomposed to Mn3O4, which is released as O2. It is available in two forms: a–Mn2O3 (or g–Mn2O3). The a-type is made by heating divalent Manganese in air to 600800, and the hydride, carbonate, or chloride of divalent manganese to decompose. The g type is made by heating MnO2 in vacuum at 500 for 48 hours. It can be used for the printing and dyeing processes of cloth, as well as in the oxidation process carbon monoxide, organic compounds and nitrate.
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 (and O2) and manganese-nitrate in hot acid. 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 Mass	173.856
Monoisotopic	173.856

Mn2O3 Powder preparation
1. A-Mn2O3a can be prepared by further oxidation/reduction of manganese oxides or heating divalent Manganese salts in air at 600-800degC. To heat manganese nuitrate hexahydrate, or pure b–MnO2, to a constant temperature at 650°C in air is the best way. Manganese nitrate-hexahydrate is used as the raw material. It must be heated to 190°C to create a solid substance. Pulverize it and then heat to 650°C.
2. Preparation of G-Mn2O3 To make the suspension that emits oxygen darken or black, heat for 4 minutes. Then filter and separate the solid. For gMn2O3, the g-MnO(OH was carefully dehydrated at 250°C for 3 days. You can also prepare g–MnO2 by heating it at 500°C for 78h, under reduced 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 the manganese compound.
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