Skip to content

What is Mn2O3 Powder?

If you are looking for high-quality products, please feel free to contact us and send an inquiry, email:

How do you define 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. The relative density is 4.50 Water, acetic and ammonium chlorine solutions are insoluble. It is soluble in some inorganic acid. Cold hydrochloric acids can be used to dissolve it to make a brown solution. Hot dilute sulfuric or concentrated sulfuric acids will produce a red solution. MnO2 is formed from manganese oxide and Mn3O4 are produced when the acid heats up and O2 is released. You can find it in two forms: gMn2O3 (a) and gMn2O3. The a-type of it is prepared by decomposing the nitrate or carbonate, chloride or hydride, and divalent manganese in argon by heating it to 600800. For g-type, heat MnO2 in vacuum at 500 for about 78 hours. Or, you can dehydrate it by using g–MnO (OH). You can use it in printing, dyeing, and oxidation processes of organic compounds and carbon monoxide.

These are some of the properties of Mn2O3 Pulver

Manganese Trioxide is a dark cubic crystal. It’s insoluble and insoluble with water, acetic acids, ammonium chloride solution, and other organic acids. When heated to 1080, it becomes Mn3O4 (and O2) It is dissolvable in cold hydrochloric to a brown solution. In Chemicalbook hot dilute sulfuric or concentrated sulfuric acids, it becomes a solution in a red color. When heated, O2 is released. You can find it in two forms: a–Mn2O3 (g-Mn2O3) and g–Mn2O3 (g-Mn2O4).

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


Compound Formula

Molecular Weight

Black Solid

Melting Point
940 degC (1724 degF)

Solubility In Water

4.5 g/cm3



Boling Point

Specific Heat

Thermo Conductivity

Thermal Expansion

Young’s Module

Exact Source


Manganese Oxide Mn2O3 CAS 1317-34-6

How to prepare Mn2O3 Pulver

1. A-Mn2O3a can be prepared by further reduction, oxidation, or heat treatment of divalent manganese salts at 600 to 800 degrees Celsius. To heat manganese nuitrate hexahydrate, or pure b–MnO2, to maintain a constant weight in the air at 650degC is an option. Manganese nitrate-hexahydrate is used as the raw material. It must be heated to 190°C before it can become a solid substance. Once this has been done, it can then be pulverized at 650°C.

2. Preparation for g-Mn2O3 To make the suspension emitting oxygen darken or black, heat for four minutes. Then filter the solution and rinse it under 1.5L of hot water. Dry the mixture in a vacuum extractor. For gMn2O3, the g-MnO (OH) was dried at 250°C for three consecutive days. Additionally, you can make gMnO2 by heating 500degC gMnO2 for 78h at reduced pressure.

Use Mn2O3 Pulver

1. The wide variety of applications for Mn2O3 are numerous. It can be used in printing or dyeing fabrics.

2. It has the ability to catalyze organic oxidation reactions and organic pollutant oxidation.

3. You can use it as a precursor to soft magnetic material.

4. Used as a raw ingredient in the production of lithium-ion battery electrode materials.

5. It’s the main raw material for manganese compounds and an intermediate product.

Principal supplier of Mn2O3 Pulver

Advanced material Tech Co., Ltd. is a professional



Over 12 years’ experience in developing and researching chemical products. You can pay by Credit Card, T/T or West Union. Trunnano ships goods by FedEx or DHL to overseas customers by air and sea.

You can find high-quality, high-quality boron carbonide powder here

Please contact us

You can also send us an enquiry

Inquiry us