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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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