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Potassium Perchlorate Powder from Canada

Fine potassium perchlorate (KClO4) powder, a strong oxidizer used in fireworks, airbag inflators, and flash powders. Classified under HTS 2829.90.40.00 specifically for perchlorates of potassium per Chapter 28 notes.

Duty Rate — Canada → United States

13.1%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

Import Tips

• Classify as UN1489 hazardous material; use DOT-approved drums or bags for transport

• Include end-use statement to CBP to prevent diversion to unregulated pyrotechnics

• Test for heavy metal impurities to confirm 'chemically defined' status per Chapter 28 Note 1