Adipic Acid (Hexanedioic Acid) from Japan
Adipic acid is a white, crystalline dicarboxylic acid (HOOC-(CH2)4-COOH) used primarily in nylon production. It falls under HTS 2917.12.1000 as a chemically defined acyclic polycarboxylic acid. This classification covers the pure compound without salts or esters.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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 purity exceeds 99% to avoid reclassification as mixtures under Chapter 38; provide REACH/SDS documentation for hazardous material handling
• Common pitfall: incorrect labeling as 'nylon intermediate' shifts to parts classification