Adipic Acid Mixed Esters from Mexico
Mixed esters combining adipic acid with different alcohols (e.g., butyl/hexyl) used in specialty lubricants. HTS 2917.12.5000 as other adipic acid esters per Chapter 29 note (A) last-in-numerical-order rule. Chemically defined despite mixed alcohol components.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify exact alcohol ratios in CoA; customs may require HPLC chromatograms
• Lubricant base stock documentation prevents 2710 reclassification
• Biodegradability claims need OECD 301 testing certification