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It is used as an oxidizing agent in organic synthesis such as oxidation of allylic/benzylic alcohols, as a textile dye, as a reducing agent, and as a component of dry cell batteries such as zinc-carbon battery and alkaline battery. It is also used in making pigments for glasses and ceramics, and drier for paints. Further it is used in the manufacture of manganese steel and several manganese derivatives including potassium permanganate, a powerful versatile oxidant. Catalytic hydration of nitriles to amides by flowing through manganese dioxide has been reported. Manganese dioxide supported on inorganic oxide can be used for oxidation of methylamine through CWAO (Catalytic Wet Air Oxidation). It has high potential as highly efficient and robust material for water oxidation reaction (WORs).
Li, B.; Yan, H.; Ma, J.; Yu, P.; Xia, D.; Huang, W.; Chu, W.; Wu, Z. Manipulating the Electronic Structure of Li-Rich Manganese-Based Oxide Using Polyanions: Towards Better Electrochemical Performance. Adv. Funct. Mater. 2014, 24 (32), 5112-5118.
Acznik, I.; Lota, K.; Sierczynska, A.; Lota, G. Carbon-Supported Manganese Dioxide as Electrode Material for Asymmetric Electrochemical Capacitors. Int. J. Electrochem. Sci. 2014, 9, 2518 - 2534.
Kuo, C. -H.; Mosa, I. M.; Poyraz, A. S.; Biswas, S.; El-Sawy, A. M.; Song, W.; Luo, Z.; Chen, S. -Y.; Rusling, J. F.; He, J.; Suib, S. L. Robust Mesoporous Manganese Oxide Catalysts for Water Oxidation. ACS Catal. 2015, 5 (3), 1693-1699.
Battilocchio, C.; Hawkins, J. M.; Ley, S. V. Mild and Selective Heterogeneous Catalytic Hydration of Nitriles to Amides by Flowing through Manganese Dioxide. Org. Lett. 2014, 16 (4), 1060-1063.
Chi, H. Z.; Li, Y.; Xin, Y.; Qin, H. Boron-doped manganese dioxide for supercapacitors. Chem. Commun. 2014, 50, 13349-13352.
Hazard Statements: H302+H332-H373
Harmful if swallowed. Harmful if inhaled. May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements: P260-P264b-P270-P271-P301+P312-P304+P340-P312-P314-P330-P501c
Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Get medical advice/attention if you feel unwell. Rinse mouth. Dispose of contents/ container to an approved waste disposal plant