Chapter 29: Organic chemicals

HTS heading 2936: Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitami…

23 numbered lines under heading 2936, including 18 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2936
HTS codeDescriptionUnitGeneralSpecialColumn 2
2936Provitamins 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:
2936.21.00.00Vitamins A and their derivativeskgFree25%
2936.22.00.00Vitamin B1 (Thiamine) and its derivativeskgFree25%
2936.23.00.00Vitamin B2 (Riboflavin) and its derivativeskgFree15.4¢/kg + 62%
2936.24.01.00D- or DL-Pantothenic acid (Vitamin B5) and its derivativeskgFree25%
2936.25.00.00Vitamin B6 (Pyridoxine and related compounds with Vitamin B6 activity) and its derivativeskgFree25%
2936.26.00.00Vitamin B12 (Cyanocobalamin and related compounds with Vitamin B12 activity) and its derivativeskgFree15.4¢/kg + 145.5%
2936.27.00.00Vitamin C (Ascorbic acid) and its derivativeskgFree25%
2936.28.00.00Vitamin E (Tocopherols and related compounds with Vitamin E activity) and its derivativeskgFree15.4¢/kg + 63.5%
2936.29Other vitamins and their derivatives:
2936.29.10.00Folic acidkgFree15.4¢/kg + 49%
2936.29.16Niacin and niacinamideFree25%
Niacin:
2936.29.16.10Pharmaceutical gradekg
2936.29.16.20Otherkg
2936.29.16.30Niacinamidekg
Other:
2936.29.20.00Aromatic or modified aromatickgFree15.4¢/kg + 45%
2936.29.50OtherFree25%
2936.29.50.20Vitamins D and their derivativeskg
2936.29.50.30Biotinkg
2936.29.50.50Otherkg
2936.90.01Other, including provitamins and natural concentratesFree25%
2936.90.01.10Provitaminskg
2936.90.01.50Otherkg

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.