Other
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: > Other vitamins and their derivatives: > Niacin and niacinamide > Niacin: > Other
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 2936.29.16.20
Niacin USP Powder
Pharmaceutical-grade niacin (nicotinic acid) powder meeting USP standards, used primarily as a vitamin B3 supplement for nutritional and therapeutic purposes. This chemically defined organic compound falls under HTS 2936.29.16.20 as 'other' niacin, unmixed and not in dosage form. It is commonly imported for use in dietary supplements and fortification of foods.
Niacin FG (Feed Grade) 99%
High-purity nicotinic acid powder (99% minimum) certified for animal nutrition, serving as vitamin B3 precursor in livestock feed formulations. Classified under HTS 2936.29.16.20 as synthetic niacin used primarily as a vitamin, meeting chapter requirements for separate chemically defined compounds. Essential for preventing pellagra in target species and optimizing growth.
Synthetic Nicotinic Acid EP/BP Grade
European Pharmacopoeia/British Pharmacopoeia compliant niacin powder for pharmaceutical compounding and nutraceutical manufacturing. This synthetic reproduction of natural vitamin B3 qualifies under HTS 2936.29.16.20 as unmixed niacin derivative used primarily as a vitamin. Imported in bulk for high-potency supplement production.
Niacin Bulk Crystals 99.5% Pure
Crystalline nicotinic acid at 99.5% purity, packaged in 25kg fiber drums for industrial vitamin processing. Falls under HTS 2936.29.16.20 as synthetic niacin used primarily as vitamin B3 source in food fortification and supplements. Meets chapter note requirements for separate chemically defined organic compounds without functional additives.
Vitamin B3 Niacin Technical Grade
Technical grade nicotinic acid (98% min) for large-scale vitamin production and research applications. Classified as HTS 2936.29.16.20 'other' niacin due to primary vitamin functionality despite lower specification than USP grades. Supplied as white to off-white powder in industrial quantities.