The Presentation of manganese dioxide

Chinese Name: manganese dioxide
Synonyms: Manganese dioxide; peroxide of manganese; manganese oxide; manganese dioxide / precipitation activity; oxide of manganese; Manganese Dioxide MANGANESE (IV) OXIDE; pyrolusite
English name: Manganese dioxide,
Synonyms: PYROLUSITE; ACTIVATED MANGANESE DIOXIDE; MANGANESE PEROXIDE; MANGANESE SUPEROXIDE; MANGANESE (IV) DIOXIDE; MANGANESE (IV) OXIDE; MANGANESE (IV) OXIDE ACTIVATED; MANGANESE (IV) OXIDE ON CARRIER
CAS No.: 1313-13-9
Molecular formula: MnO2
Molecular Weight: 86.94
Manganese dioxide in nature
Melting point: 535 ° C. (dec.) (lit.)
Density: 5.02
form: powder one
color: gray
Water solubility: insoluble
Toxicity
Manganese oxide dust can cause manganese pneumoconiosis. Manganese oxide at high prices, whether to invade the body’s way to its toxic effects on the brain injury. Others see the metal manganese.
Chemical properties
Black crystals of the orthorhombic system or brownish-black powder. Insoluble in water and nitric acid, soluble in acetone.
Use
The chemical industry for the production of manganese sulfate, potassium permanganate, manganese carbonate, manganese chloride, manganese nitrate, manganese oxide, etc.. Manganese sulfate is used as fertilizer and feed additives. The pharmaceutical sector manganese compounds, disinfectants, oxidizers, catalysts, gastric lavage agent and emetic. Manganese as a desulfurization agent of the batteries and manufacturing nitrogen; also widely used in metallurgy, ceramics, glass, light industry, machinery, matches, dyes, defense, communications, environmental protection and other departments.
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