2930.90.49.10/Thioglycolic Acid with Stabilizer/China

Thioglycolic Acid with Stabilizer from China

Thioglycolic acid containing added stabilizer for transport stability, explicitly allowed under Chapter 29 note (f). Remains classified as pure compound under HTS 2930.90.4910, not as mixture.

Duty Rate — China → United States

29.2%

Rate breakdown

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)

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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Import Tips

• Document stabilizer type/concentration (<0.5% typical) per Chapter 29 note (f) to maintain pure compound status

• Include stability test data showing 12+ months shelf life under UN storage conditions

• Monitor for oxidation products; reject lots with >2% dithiodiglycolic acid