MANGANESE DIOXIDE MnO2 BLACK POWDER CAS NO 1313-13-9 EINECS NO 215-202-6 Manganese dioxideMolecular formula:MnO2Molecular ... , decoloring agent in glass industry, material of manganese alloy, heat gaining agent of casting industry, ... carbon monooxide oxidant, catalyst, material of enamel and manganese salt. Or used in firework, the purification of ... water, sand and fire extinguisher. MANGANESE DIOXIDE