Purified Methyldiethanolamine 99% Technical Grade from China
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 — China → United States
44%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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