2-Ketobutyric Acid from United States
2-Ketobutyric acid is an alpha-keto acid with a four-carbon chain, containing a carboxylic acid group and a ketone function at the second carbon. As a separate chemically defined organic compound with no other oxygen functions, it falls squarely within tariff item 2918.30.00, which covers carboxylic acids with ketone function.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not in a form that could be classified as a fuel or other excluded product under Chapter 29 Note 2
• Provide the CAS number and purity data
• Check if the acid is subject to any food or drug regulations if intended for pharmaceutical use