Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 41 Salts of oxometallic or peroxometallic acids 28 41 61 Potassium permanganate 28 41 61 00 Potassium permanganate Commodity Code Description 28 41 61 00 000 Potassium permanganate
