L-Ascorbic Acid USP Grade
Pure L-ascorbic acid, the active form of Vitamin C, meeting United States Pharmacopeia standards for pharmaceutical and supplement use. Classified under HTS 2936.27.00.00 as a chemically defined vitamin derivative used primarily as a vitamin source. It serves as an essential nutrient and antioxidant in various formulations.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If formulated into tablets or capsules with excipients for retail sale
Vitamin preparations put up in dosage forms for retail sale fall under Chapter 30 as medicaments.
If dissolved in solvents exceeding safety/transport limits or with functional additives
Solutions not qualifying under Chapter 29 note (e) become chemical preparations of Chapter 38.
If imported primarily as a food preservative rather than vitamin source
Ascorbic acid used mainly as antioxidant E300 classified by its carboxylic acid function.
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Import Tips & Compliance
• Verify USP certificate of analysis and purity ≥99% to confirm classification as unmixed Vitamin C derivative
• Include stability data showing proper packaging to prevent oxidation during transport
• Avoid mixtures with flavors or sweeteners that could reclassify under Chapter 30 as medicated preparations
Related Products under HTS 2936.27.00.00
Ascorbic Acid Powder Food Grade
Fine white crystalline powder of ascorbic acid standardized for food industry applications like fortification and preservation. Falls under HTS 2936.27.00.00 as a separate chemically defined Vitamin C derivative used primarily as a vitamin. Meets FCC specifications for direct food contact.
Sodium Ascorbate Pharmaceutical Grade
Sodium salt of L-ascorbic acid, more stable in liquid formulations, used in injectables and oral supplements. Classified under HTS 2936.27.00.00 per Chapter 29 note on salts of organic compounds classified with the parent vitamin. Provides same Vitamin C activity with neutral pH.
Ascorbyl Palmitate NF Grade
Fat-soluble ester derivative of ascorbic acid and palmitic acid, used as antioxidant in cosmetics and foods. Classified under HTS 2936.27.00.00 as Vitamin C derivative per Chapter 29 ester rule (classified with later compound). Provides lipophilic vitamin C activity.
Magnesium Ascorbate Crystals
High-bioavailability magnesium salt of ascorbic acid for mineral-vitamin combination supplements. HTS 2936.27.00.00 per classification rules for organic compound salts. Supports both immune and electrolyte functions.
Ascorbic Acid DC Granules
Direct compression granules of ascorbic acid with minimal excipients for tablet manufacturing. Still classified under HTS 2936.27.00.00 as unmixed vitamin derivative if excipients are incidental. Facilitates high-speed tablet production.
Sodium Ascorbyl Phosphate
Stable Vitamin C derivative with phosphate group, used in skincare for collagen synthesis. HTS 2936.27.00.00 classification as vitamin derivative despite phosphorylation. Hydrolyzes to ascorbic acid in skin.