m-Hydroxybenzoic Acid Sodium Salt from China
Sodium m-hydroxybenzoate, the sodium salt of m-hydroxybenzoic acid, classifies with the parent acid under HTS 2918.29.0800 per Chapter 29 note on inorganic salts of organic acids. Used as a preservative intermediate and pH buffer in pharmaceutical formulations.
Duty Rate — China → United States
37.5%
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
• Include salt formation assay confirming structure; classifies with acid per Chapter 29 note C(1)
• Less hazardous than acid form; declare as 'non-regulated' if pH >5.0 for transport
• Distinguish from sodium salicylate (2918.21 salt) in documentation to avoid duty errors