Orthoboric Acid USP Grade from China
USP-grade orthoboric acid meets pharmaceutical standards for use in eye washes and as a preservative. Classified in HTS 2810.00.00.00 as boric acid, chemically defined per Chapter notes. High purity (99.8%+) ensures compliance for medical applications.
Duty Rate — China → United States
36.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Include USP certificate of analysis for FDA clearance at entry
• Segregate from pesticide grades to avoid regulatory overlap
• Declare for personal care use if applicable to leverage lower scrutiny