Purified Methyldiethanolamine 99% Technical Grade from Mexico
High-purity methyldiethanolamine (99% min) is a chemically defined tertiary amino alcohol under HTS 2922.17.00.00, meeting Chapter 29 note (a) for separate organic compounds. Used in natural gas purification to remove H2S and CO2.
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 GC/MS analysis certificates proving >99% purity; declare as 'pure' to avoid mixture duties
• Common pitfall: improper stabilization leading to Chapter Note (f) scrutiny