Tartronic Acid from Canada
Tartronic acid (2-hydroxypropanedioic acid) contains both carboxylic acid and alcohol functions without additional oxygen groups, qualifying for 2918.19.90.00. Used in pharmaceutical intermediates and biochemical research.
Duty Rate — Canada → United States
14%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Require manufacturer specifications confirming single compound status vs salt forms
• Document research/pharma end-use to justify chapter 29 over chapter 38 classification
• Check for CAS registry verification (80-51-3) in import documentation