Industrial Grade Naphthenic Acid 75% from Japan
High-purity naphthenic acid derived from petroleum distillates, primarily used as a corrosion inhibitor and paint drier in industrial formulations. Classified under HTS 3824.99.7510 as pure naphthenic acids, distinct from their salts or esters. Their carboxylic acid structure enables metal complexing for anti-corrosion applications.
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
• Obtain Safety Data Sheets (SDS) confirming naphthenic acid purity >75%; declare exact acid value and origin from crude oil
• Avoid misclassification as mixtures by ensuring no added solvents
• Comply with TSCA registration for new chemical importers