Trimethylolethane (TME) from Mexico
Trimethylolethane (2-ethyl-2-(hydroxymethyl)-1,3-propanediol) is a triol for alkyd resins and varnishes. Classified as acyclic triol under HTS 2905.49.10.00 per its chemical structure with three OH groups.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• CAS 77-83-8 documentation essential; distinguish from diols in 2905.31
• Purity >99% required for Chapter 29; lower grades to 3824