N-Methyldiethanolamine (MDEA) from Mexico
MDEA is a tertiary amino-alcohol used primarily in natural gas sweetening to remove H2S and CO2, classified in HTS 2922.19.96 as other amino-alcohols. Its chemically defined structure fits Chapter 29's scope for oxygen-function compounds.
Duty Rate — Mexico → United States
16.5%
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
• Include gas absorption specifications but classify based on chemical structure, not end use
• Certify amine content and water dilution meets transport-only criteria per chapter notes
• Monitor Section 301 tariffs if sourced from China; consider diversification