Gentisic Acid USP Grade from China
Gentisic acid (2,5-dihydroxybenzoic acid) is a chemically defined organic compound with a carboxylic acid group and phenolic hydroxy functions, classified under HTS 2918.29.2000 as a specific carboxylic acid with phenol function but without other oxygen function. It is supplied as a white crystalline powder for pharmaceutical and research applications.
Duty Rate — China → United States
31.5%
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
Import Tips
• Provide Certificate of Analysis (CoA) confirming USP purity ≥98% and chemical identity via HPLC or NMR to avoid reclassification
• Declare exact CAS number (490-79-9) and ensure packaging complies with UN 2811 toxic solid regulations for hazardous materials
• Verify no added stabilizers beyond Chapter 29 note (f) limits to prevent misclassification as mixtures under 3824