Refinery-Grade MTBE Octane Booster from Mexico
High-purity MTBE designed for refinery use to enhance gasoline octane without aromatics, adhering to Chapter 29 scope for chemically defined acyclic ethers. HTS 2909.19.14.00 specifies this monohydric alcohol ether. Typically shipped in drums or isotanks.
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 refinery end-use letter for potential duty relief; ensure <0.1% water content per spec to match chemical definition
• Label as UN1086 flammable liquid