Manganese Sesquioxide (Mn2O3)-Powder

(Manganese Sesquioxide (Mn2O3)-Powder)

CAS: 1317-34-6 Molecular Formula: Mn2O3 Purity: 99.9 %-99.99% Products Code: TR Specification Model: – 325 mesh (20 mic aps) EINECS No.: 215-264-4 UN No.: UN2813

Characteristic

Manganese(III) oxide is a chemical compound with the formula Mn2O3. black crystal. Poisonous.Relative density 4.50.Insoluble in water, acetic acid, soluble in cold hydrochloric acid, hot nitric acid and hot sulfuric acid.

Chemical formula：Mn2O3

Molar mass：157.8743 g/mol

Appearance：brown or black crystalline

Density：4.5 g/cm3

Melting point：888 °C (1,630 °F; 1,161 K) (alpha form)

                      940 °C, decomposes (beta form)

Solubility in water：  0.00504 g/100 mL (alpha form)

                               0.01065 g/100 mL (beta form)

Solubility：insoluble in alcohol, acetone

                 soluble in acid, ammonium chloride

Magnetic susceptibility (χ)：+14,100·10−6 cm3/mol

Crystal structure：Cubic, cI80

Application

Manganese trioxide can be used as a catalyst for selective reduction of nitric oxide in inorganic and as an oxidant in organic synthesis. It can also be used as a carrier or electrode material for palladium-platinum alloys.

(Manganese Sesquioxide (Mn2O3)-Powder)