4-Hydroxy-2-butanone from Canada
4-Hydroxy-2-butanone is an acyclic ketone-alcohol with the hydroxyl group at the terminal position and ketone at carbon 2. It qualifies under HTS 2914.40.90.00 as a ketone-alcohol not elsewhere specified. Used as a flavor intermediate and polymer precursor.
Duty Rate — Canada → United States
14.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• For food contact applications, include FDA GRAS status or equivalent documentation
• Monitor for auto-oxidation products; peroxide value testing prevents rejection
• Small package quantities (<1kg) may qualify for research exemption