Safety Statements: Probably an irritant. A powerful oxidizer. Moderately flammable by chemical reaction with reducing agents. Explosive when shocked or warmed to 60°. Can be exploded by percussion. When heated to decomposition it emits toxic fumes of NOx and NH3. Incompatible with reducing material, friction. When heated to decomposition it emits toxic fumes of NOx and NH3. See also PERMANGANATES and MANGANESE COMPOUNDS.