Manganese oxide

Description

1) Manganese oxide is a general name for the various oxide forms of manganese: such as manganese oxide (MnO), manganese dioxide (MnO2), manganese sesquioxide (Mn2O3) and manganese tetroxide (Mn3O4).

2) Manganese oxide (MnO) is a bright green powder that can be oxidized to form dark purple to black manganese oxide compounds. It is used in textile printing and in glazes and glass colorants.

Synonyms and Related Terms

manganous oxide; manganese monoxide; manganic oxide; manganese tetroxide; manganese sesquioxide; CI 77727; manganomanganic oxide

Risks

• Toxic.
• Inhalation or ingestion of manganese can cause a nervous system disorder.
• ThermoFisher: SDS

Physical and Chemical Properties

Soluble in acids. Insoluble in water.

Composition	MnO, Mn2O3, Mn3O4
CAS	1317-35-7
Melting Point	1650 C
Density	5.45 g/ml

Resources and Citations

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992

• Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000