Naphthenic Acid Methyl Ester Biodiesel Solvent from Mexico
Methyl esters of naphthenic acids used as co-solvents in biodiesel production to improve cold flow properties. Classified as HTS 3824.99.7550 other naphthenic esters for fuel applications. Derived from tall oil naphthenates via transesterification.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
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
• GC-MS confirms methyl naphthenate >80%; ASTM D6751 partial compliance
• Not biodiesel itself (3826)—processing solvent classification
• Biofuel credits need origin tracing; EU FAME compatibility