Buying manganese dioxide requires understanding its properties and applications to ensure you get the right product. Manganese dioxide is a common inorganic compound with the formula MnO2. It appears as a black or brown solid and is valued for its chemical reactivity. Key uses include battery manufacturing where it acts as a cathode material in alkaline and zinc-carbon batteries. It also serves in water treatment to remove iron and hydrogen sulfide, in ceramics as a colorant, and in chemical synthesis as an oxidizing agent or catalyst.
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When purchasing manganese dioxide, prioritize purity. Industrial grades typically range from 70% to 85% purity, while battery-grade demands over 91%. Verify the product’s technical specifications including particle size and moisture content, as these impact performance. The physical form matters too; powder suits reactions requiring high surface area, while granules or pellets work better in filtration systems.
Supplier reliability is critical. Source from reputable chemical distributors or manufacturers who provide certificates of analysis to confirm quality. Consider pricing but avoid suspiciously low-cost options that may compromise purity. Evaluate logistics like packaging options and delivery timelines to prevent project delays.
Safety cannot be overlooked. Manganese dioxide is generally stable but poses inhalation risks as a fine powder. Use personal protective equipment including masks and gloves. Store it in a cool, dry place away from incompatible substances like reducing agents.
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Major suppliers include global chemical companies and specialized mineral processors. Online marketplaces offer convenience but scrutinize seller reviews. For bulk orders, negotiate directly with producers for better rates. Always request samples to test compatibility before large purchases. Focus on these factors to secure manganese dioxide that meets your technical and safety requirements efficiently.
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