Pharmaceutical Grade Potassium Hydroxide Powder from China
Fine powder form of high-purity potassium hydroxide meeting USP standards for pharmaceutical applications like API synthesis. Classified in HTS 2815.20.00.50 as solid potassium hydroxide, excluded from Chapter 30 as it's an inorganic base per Section VI 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
• Include USP/EP certificates and DMF references; FDA may require pre-import notification for pharma intermediates
• Use low-humidity packaging; common issue is clumping reclassified as not purely solid
• Avoid co-mingling with organics to prevent Chapter 29 reclassification