Triethylene Glycol Dimethyl Ether from China
Triethylene glycol dimethyl ether (triglyme) is an acyclic diether from the polyhydric alcohol triethylene glycol etherified with methyl groups. Classified in HTS 2909.19.60.00 as an 'other' ether of polyhydric alcohol per Chapter 29 notes on chemically defined organic compounds. Used in organic synthesis and as a coordinating solvent.
Duty Rate — China → United States
43%
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 CAS number (3454-28-0) and purity certificate to distinguish from mixtures
• Classify based on principal function; avoid misclassification as glycol ether solvent mixture
• Check REACH/ TSCA compliance for chemical registration before import