Ascorbic Acid (Vitamin C)
Ascorbic acid is a water-soluble vitamin classified as an aromatic lactone under HTS 2932.20.3000 due to its heterocyclic structure with oxygen hetero-atom in a lactone ring. It meets the criteria in additional U.S. note 3 to section VI for specific organic compounds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as vitamin rather than lactone
Vitamins and derivatives may shift to Chapter 29 subheading for provitamins if lactone aspect secondary
If when imported as formulated mixture or solution
Mixtures exceeding chapter note limitations fall under prepared chemical preparations
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Import Tips & Compliance
• Verify purity certificate (typically 99%+ for pharmaceutical grade) to confirm classification under note 3,Include chemical analysis documentation proving lactone structure for customs verification,Avoid misclassification as food additive under Chapter 21; provide structural formula
Related Products under HTS 2932.20.30.00
Ascorbyl Palmitate
Ascorbyl palmitate is a fat-soluble antioxidant ester of ascorbic acid, featuring the characteristic lactone ring structure. Classified under HTS 2932.20.3000 as an aromatic lactone per additional U.S. note 3. Used in food preservation and cosmetics.
L-Ascorbic Acid 2-Glucoside
This stable vitamin C derivative features the ascorbic acid lactone ring glycosylated at position 2. Classified as aromatic lactone under HTS 2932.20.3000 per U.S. note 3 specifications. Used in cosmetics for skin brightening.
Sodium Ascorbate
The sodium salt of ascorbic acid maintains the core lactone structure required for HTS 2932.20.3000 classification. Meets additional U.S. note 3 criteria as chemically defined organic compound with stabilizer. Pharmaceutical and food grade applications.
Calcium Ascorbate
Calcium salt of ascorbic acid featuring the characteristic aromatic lactone ring. Classified under HTS 2932.20.3000 per additional U.S. note 3 for section VI products. Used in supplements and as dough conditioner.
Magnesium Ascorbyl Phosphate
Stable vitamin C derivative with phosphate and magnesium, retaining ascorbic lactone core. HTS 2932.20.3000 classification due to aromatic lactone meeting U.S. note 3. Skincare and pharmaceutical applications.
Tetrahexyldecyl Ascorbate
Oil-soluble ascorbic acid ester with very long-chain alcohol, preserving lactone structure. Classified HTS 2932.20.3000 as aromatic lactone per U.S. note 3. Premium cosmetic ingredient.