New

Ask Wove anything about tariffs.

Try Tariff Assistant

Pharmaceutical Grade Caustic Potash Powder from China

Ultra-pure potassium hydroxide powder meeting USP standards for pharmaceutical synthesis and API manufacturing. Classified in HTS 2815.20.00.90 as 'other' potassium hydroxide not in granular form. Exclusively chemically defined per Chapter 28 notes.

Duty Rate — China → United States

25%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

• Attach Certificate of Analysis (CoA) confirming USP/NF purity to satisfy FDA import alerts

• Declare as 'for pharmaceutical use only' but classify chemically, not by end-use

• Avoid bulk pharma mixes; pure KOH stays here, blends go to 3822 for diagnostic reagents