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Tetraethylammonium Perfluorooctane Sulfonate from Japan

A quaternary ammonium salt consisting of the tetraethylammonium cation paired with the perfluorooctane sulfonate anion, chemically defined as a separate organic compound. It falls under HTS 2923.30.00.00 as it precisely matches the specific subheading for this compound, used primarily in industrial applications like surfactants and wetting agents.

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 chemical purity and provide Certificate of Analysis (CoA) to confirm identity as the specific compound listed in the subheading

• Include Safety Data Sheet (SDS) and proper UN shipping documentation for hazardous materials classification

• Avoid misclassification as a mixture; ensure no additional solvents or stabilizers render it outside Chapter 29 note (e)