New

Ask Wove anything about tariffs.

Try Tariff Assistant

Dinonylnaphthalenesulfonic Acid from China

Dinonylnaphthalenesulfonic acid is a high molecular weight aromatic sulfonic acid under HTS 2904.10.32.00. Used in metal extraction and oil additives.

Duty Rate — China → United States

43%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

• Confirm two C9 alkyl chains on naphthalene ring

• Viscosity specification critical for classification

• Hazardous material shipping (viscous liquid)