Title: Manganese Sesquioxide
CAS Registry Number: 1317-34-6
Molecular Formula: Mn2O3
Molecular Weight: 157.87
Percent Composition: Mn 69.60%, O 30.40%
Literature References: Occurs in nature as the mineral
manganite, Mn2O3.H2O. Prepn: Moore
et al., J. Am. Chem. Soc. 72, 856 (1950).
Properties: Black, fine powder. d 4.50. Insol in water. Sol in HCl with evolution of chlorine.
Density: d 4.50