Naphthenic Acid Methyl Esters from Japan

Methyl esters of naphthenic acids are used as synthetic lubricants and plasticizers in industrial formulations. This product qualifies for HTS 3824.99.75 as it consists of esters derived from naphthenic acids, not elsewhere specified. They provide solvency properties in oil-based mixtures.

Duty Rate — Japan → United States

13.7%

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

Submit esterification certificates and molecular analysis to confirm naphthenic origin

Ensure REACH or TSCA pre-registration for chemical import notifications

Package in industrial drums, not consumer containers, to avoid retail good classifications