Gallic Acid
Gallic acid (3,4,5-trihydroxybenzoic acid) is a chemically defined aromatic monocarboxylic acid covered by additional U.S. note 3 to section VI, classifying under HTS 2916.39.46.00. Essential for ink manufacturing, tanning agents, and antioxidant applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If crude form derived from vegetable sources
Tannins and gallic acid extracts from natural sources classify under heading 3201.
If as propyl gallate ester
Food-grade esters like propyl gallate used as antioxidants classify as carboxylic esters.
If mixtures for ink manufacturing <80% purity
Preparations not meeting chemical compound purity classify as mixtures in 3824.
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Import Tips & Compliance
• Specify tannic acid content (<0.5%) to maintain chapter 29 classification
• Hygroscopic; invoice must detail moisture content and storage conditions
• CAS 149-91-7 verification prevents chapter 32 tannin classification
Related Products under HTS 2916.39.46.00
4-Hydroxybenzoic Acid
4-Hydroxybenzoic acid is an aromatic monocarboxylic acid with a hydroxyl group on the benzene ring, classified under HTS 2916.39.46.00 as a product described in additional U.S. note 3 to section VI. It is commonly used as a preservative in cosmetics, pharmaceuticals, and food products due to its antimicrobial properties.
3-Hydroxybenzoic Acid (M-Hydroxybenzoic Acid)
Meta-hydroxybenzoic acid is a cyclic aromatic monocarboxylic acid listed in additional U.S. note 3 to section VI, falling under HTS 2916.39.46.00. It serves as an intermediate in pharmaceutical synthesis and organic chemical production.
Salicylic Acid USP Grade
Salicylic acid (2-hydroxybenzoic acid) is an aromatic monocarboxylic acid specifically described in additional U.S. note 3 to section VI, imported under HTS 2916.39.46.00. Widely used in skincare products, acne treatments, and as a pharmaceutical intermediate.
Gentisic Acid (2,5-Dihydroxybenzoic Acid)
Gentisic acid, an aromatic dihydroxy monocarboxylic acid, qualifies under HTS 2916.39.46.00 per additional U.S. note 3 to section VI. Used as an analytical reagent, pharmaceutical intermediate, and antioxidant in formulations.
Protocatechuic Acid
Protocatechuic acid (3,4-dihydroxybenzoic acid) is a pure aromatic monocarboxylic acid specified in additional U.S. note 3, imported under HTS 2916.39.46.00. Used in biochemical research and as a pharmaceutical synthesis intermediate.
Vanillic Acid
Vanillic acid (4-hydroxy-3-methoxybenzoic acid) qualifies as an aromatic monocarboxylic acid under additional U.S. note 3 to section VI and HTS 2916.39.46.00. Applied in flavorings, fragrances, and pharmaceutical intermediates.