CAS 7439-96-5 appears in our catalog under these names: Manganese pieces, irregular, 99.9% (metals basis) , Manganese powder, -325 mesh, 99.3% (metals basis) , Manganese granules, 0.8-12mm (0.03-0.47in), 99.98% (metals b, Manganese pieces, irregular, 99.95% (metals basis) , Manganese powder, -325 mesh, 99.95% (metals basis) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 250g, 1kg, 5kg, 25g, 100g, 1kg , 1each, 500g.