Pharmaceutical Grade Phosphoric Acid from Mexico
USP-grade phosphoric acid used as an excipient in oral suspensions, buffers, and effervescent tablets. Falls under HTS 2809.20.00.30 as pure phosphoric acid, chemically defined per Chapter 28 notes, excluding organo-inorganic compounds. Supplied in sterile, low-bioburden containers.
Duty Rate — Mexico → United States
10%
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
• Provide DMF or equivalent for FDA review; ensure <10ppb heavy metals
• Label as 'for further manufacturing' to avoid drug classification
• Validate supply chain for BSE/TSE-free certification