Potassium Antimony Tartrate USP Grade from Mexico
Potassium antimony tartrate, known as tartar emetic, is a chemically defined salt of tartaric acid with antimony and potassium, meeting USP standards for pharmaceutical use. It falls under HTS 2918.13.10.00 as a specific salt and ester of tartaric acid with additional oxygen function. This white crystalline powder is used in laboratory and medicinal applications requiring high purity.
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
• Verify USP certification and provide Certificates of Analysis (CoA) for purity; ensure compliance with EPA regulations on antimony compounds; check for REACH-like restrictions in destination markets to avoid delays