Tetraethyllead (TEL) Antiknock Additive from Mexico
Tetraethyllead (TEL) is a classic organolead compound used as an antiknock agent in gasoline engines to prevent engine knocking by increasing octane rating. This prepared additive falls under HTS 3811.11.5000 as it is based on lead compounds and classified as 'other' antiknock preparations for mineral oils like gasoline. It was widely used in leaded gasoline formulations before regulatory phase-outs.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify EPA restrictions on lead content and obtain TSCA premanufacture notices for new chemical introductions
• Provide detailed safety data sheets (SDS) and confirm compliance with Clean Air Act import prohibitions on leaded fuels
• Label shipments clearly as hazardous materials under DOT regulations to avoid customs delays