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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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