Tetraethyllead (TEL) Antiknock Additive from Japan

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 — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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