Tetraethyl Lead Additive from Japan
Tetraethyl lead (TEL) is an organo-inorganic compound used historically as an anti-knock additive in gasoline, containing lead atoms directly linked to carbon. It falls under HTS 2931.90.90.52 as 'other organo-inorganic compounds' per Chapter 29 notes defining compounds with nonmetals or metals directly bonded to carbon. Excluded from other headings due to its specific organometallic structure.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify chemical purity and provide Safety Data Sheets (SDS) compliant with TSCA regulations for lead compounds
• Obtain EPA approvals for any fuel additive imports; declare as hazardous material under DOT standards
• Avoid misclassification as simple metal compounds; confirm direct C-Pb bond via lab analysis