Pharmaceutical Grade Potassium Nitrate USP from Mexico
USP-grade potassium nitrate for pyrotechnic dental desensitizers and limited pharma applications. Falls under HTS 2834.21.00.00 as pure inorganic nitrate.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• FDA drug establishment registration required; provide USP certificate of analysis; separate from food grade labeling to avoid confusion