Pentaerythritol Tetraethyl Ether from Mexico
Pentaerythritol tetraethyl ether is a tetrafunctional acyclic ether derived from the tetrahydric alcohol pentaerythritol fully etherified with ethyl groups. It qualifies under HTS 2909.19.60.00 as an ether of polyhydric alcohol, meeting Chapter 29 requirements for separate chemically defined compounds. Used in specialty resins and coatings.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit structural formula and molecular weight to confirm acyclic polyhydric ether status
• Ensure no unreacted hydroxyl groups remain, as partial ethers may classify differently
• Package in nitrogen-flushed containers if air-sensitive to maintain purity during transport