MANGANESE DIOXIDE MnO2 50/60/70/80/90 CAS NO 1313-13-9 EINECS NO 215-202-6 Manganese ... battery, decoloring agent in glass industry, material of manganese alloy, heat gaining agent of casting industry, adsorbent ... ,carbon monooxide oxidant, catalyst, material of enamel and manganese salt. Or used in firework, the purification of water ... fight with water, sand and fire extinguisher. MANGANESE DIOXIDE