Furfural from Mexico
Furfural is an unsaturated heterocyclic aldehyde derived from agricultural waste, featuring an unfused furan ring with oxygen hetero-atom, used in resins and flavor production. Classified under HTS 2932.19.51.00 as 'other' furan ring compounds per Chapter 29 hierarchy. Meets criteria for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Include GC-MS analysis verifying furan ring structure and aldehyde function to distinguish from Chapter 29 exclusions
• Declare as UN 1199 flammable liquid; ensure drum packaging meets DOT specifications
• Watch for reclassification if diluted beyond Chapter 29 note (d) water solubility limits