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Potassium Permanganate Crystals from Japan

Potassium permanganate (KMnO4) is a dark purple crystalline compound used as an oxidizing agent in water treatment and laboratory applications. It falls under HTS 2841.69.00 as a salt of a peroxometallic acid, specifically a permanganate of potassium, which is chemically defined per Chapter 28 notes.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Verify purity certificates to confirm classification as chemically defined inorganic compound under Chapter 28 Note 1

• Include safety data sheets (SDS) due to strong oxidizing properties; common pitfall is improper hazmat shipping declarations

• Ensure labeling meets EPA requirements if for water treatment use to avoid reclassification