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4-Hydroxybenzoic Acid USP Grade from China

USP-grade 4-Hydroxybenzoic acid (synonym for p-Hydroxybenzoic acid) meets pharmaceutical standards for purity, directly classifiable under HTS 2918.29.22.00 as the specified chemically defined compound. Used primarily in drug synthesis and as a preservative precursor.

Duty Rate — China → United States

44%

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide USP certificate of analysis; FDA registration may be required for pharma intermediates

Label as 'not for direct food use' to prevent reclassification under food additive regulations

Check for stabilizer additions; per Chapter note (f), only transport stabilizers allowed or it becomes 3824