Vitamin K3 (Menadione Sodium Bisulfite)
Menadione sodium bisulfite is a water-soluble modified aromatic derivative of vitamin K3 used in animal nutrition. Falls under HTS 2936.29.20.00 as other unmixed aromatic vitamin derivatives. Synthetic naphthoquinone structure qualifies despite specific vitamin K provisions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure menadione without salt modification
Unmodified vitamin K3 (menadione) has specific 2936.28 subheading; salt forms follow parent per classification notes.
If classified by carboxamide function
If nitrogen-function emphasized over vitamin use, could fall under earlier Chapter 29 heading before numerical order rule.
If in fertilizer/diuretic preparations
Vitamin K derivatives in mineral nutrient mixes classify under Chapter 31 per chapter exclusions.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include salt formation documentation per Chapter 29 note on inorganic salts of organic compounds classifying with parent
• Animal health imports require veterinary certificates; avoid retail packaging to stay in bulk chemical classification
• Test for anti-dusting agents; additions per note (g) allowed only if not rendering specific use suitable
Related Products under HTS 2936.29.20.00
Vitamin E Acetate (Tocopheryl Acetate)
Tocopheryl acetate is the ester of acetic acid and tocopherol (vitamin E), an aromatic derivative used primarily as a vitamin in supplements and cosmetics. It falls under HTS 2936.29.20.00 as a modified aromatic vitamin derivative, unmixed. This synthetic form provides stability for use in formulations.
Alpha-Tocopherol Synthetic Vitamin E
Synthetic all-rac-alpha-tocopherol is a modified aromatic form of vitamin E used in nutritional supplements and animal feed. Classified under HTS 2936.29.20.00 as an unmixed aromatic vitamin derivative per Chapter 29 scope. Its chromanol ring structure qualifies it as modified aromatic.
Ubidecarenone (Coenzyme Q10, Ubiquinone)
Ubidecarenone, or CoQ10, is a synthetic aromatic quinone derivative used primarily as a vitamin-like antioxidant in supplements. It qualifies under HTS 2936.29.20.00 as an other aromatic vitamin derivative, unmixed. The modified benzoquinone structure fits Chapter 29 provitamin/vitamin provisions.
Tocotrienol Mixed Tocotrienols Complex
Mixed tocotrienols are unsaturated aromatic vitamin E derivatives extracted or synthesized for nutraceutical use. Classified HTS 2936.29.20.00 as unmixed other aromatic vitamin derivatives per Chapter 29 isomer mixture provisions. Used primarily for antioxidant vitamin activity.