Vitamin C (Ascorbic acid) and its derivatives
Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent: > Vitamins and their derivatives, unmixed: > Vitamin C (Ascorbic acid) and its derivatives
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2936.27.00.00
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.
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.
Ascorbic Acid 99% Min Technical Grade
Industrial grade Vitamin C with minimum 99% purity for large-scale food and pharma production. Classified under HTS 2936.27.00.00 as separate chemically defined compound. Cost-effective for bulk applications.
Ascorbyl Glucoside Powder
Water-soluble Vitamin C derivative with glucose moiety for brightening cosmetics. Remains under HTS 2936.27.00.00 as ester derivative used primarily as vitamin. Extremely stable at high temperatures.
Calcium Ascorbate Fine Powder
Buffered Vitamin C derivative combining ascorbic acid with calcium, used in chewable tablets and immune supplements. HTS 2936.27.00.00 classification applies to vitamin salts per Chapter 29 note 3(C)(1). Less acidic, gentler on stomach.