MANGANESE DIOXIDE MnO2 BLACK POWDER CAS NO 1313-13-9 EINECS NO 215-202-6 Manganese dioxideMolecular formula:MnO2Molecular weight:86.94Properties: black or black brown formless powder, relative Density 5.026. Uses:used as depolarizer of battery, decoloring agent in glass industry, material of manganese alloy, heat gaining agent of casting industry, adsorbent of ,carbon monooxide oxidant, catalyst, ...