Heptanal from Mexico
Heptanal (C6H13CHO) is a straight-chain acyclic aldehyde employed in the manufacture of plasticizers, flavors, and pharmaceuticals. Classified in HTS 2912.19.5000 as 'other' acyclic aldehydes without other oxygen functions, consistent with Chapter 29 provisions for pure organic compounds. Excludes ring structures or additional functional groups.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.5%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 CoA (Certificate of Analysis) specifying boiling point 150-155°C and refractive index
• Ship as UN 2789; verify compatibility with container materials (avoid copper)
• Prevent dual classification claims by confirming no nitrogen functions per Chapter notes