Neoheptanoic Acid from Mexico
Neoheptanoic acid is a highly branched saturated acyclic C7 monocarboxylic acid used in specialty esters and synthetic lubricants. Falls under HTS 2915.90.18.90 as other saturated acyclic monocarboxylic acids per Chapter 29.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify synthetic origin vs natural fatty acid mixtures
• Isomer distribution analysis prevents mixture classification