Bismuth Subnitrate Powder USP Grade from Mexico
Bismuth subnitrate (Bi5O(OH)9(NO3)4), USP grade, is a basic nitrate used in pharmaceuticals as an antacid and in cosmetics. It is classified under HTS 2834.29.05.00 as a nitrate of bismuth, chemically defined per Chapter 28 notes.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain FDA prior notice for pharma imports; certify USP compliance to prevent quarantine
• Document as 'basic bismuth nitrate' to distinguish from pure nitrates and avoid 2827 misclassification