Synthetic Saxitoxin
Synthetic saxitoxin is a laboratory-produced version of the natural paralytic shellfish toxin, reproduced by chemical synthesis to match the structure of the natural alkaloid. As an alkaloid reproduced by synthesis, it is explicitly covered by heading 29.39 and classified under tariff item 2939.80.00 as an 'other' alkaloid.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a mixture or solution not meeting the criteria for a chemically defined compound
Mixtures of chemicals not elsewhere specified are classified in Chapter 38, per Section VI Note 4.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the synthetic origin and purity of the product, as the CBSA may require proof that it is a chemically defined compound
• Check if the product requires an import permit under the Controlled Drugs and Substances Act or other regulations
• Ensure the product is not put up in measured doses or for retail sale, which would shift classification to Chapter 30
Related Products under Tariff item 2939.80.00
Berberine Chloride
Berberine chloride is a quaternary ammonium alkaloid salt, typically reproduced synthetically from plant sources for use in dietary supplements and pharmaceuticals. As a chemically defined organic compound with alkaloid structure, it falls under tariff item 2939.80.00 for other alkaloids and their salts, not elsewhere specified.
Caffeine Anhydrous Powder
Caffeine anhydrous powder is a synthetic reproduction of the natural alkaloid caffeine, used in energy drinks, pharmaceuticals, and supplements. As a pure, chemically defined alkaloid, it is classified under tariff item 2939.80.00 for other alkaloids and their derivatives.
Codeine Phosphate Powder
Codeine phosphate is a semi-synthetic opioid alkaloid salt used in cough syrups and analgesics. As a salt of an alkaloid, it is classified under tariff item 2939.80.00 for other alkaloids and their salts, per Chapter 29 rules for salts of organic compounds.
Cytisine Powder
Cytisine is a quinolizidine alkaloid used in smoking cessation aids, typically reproduced synthetically. As a chemically defined alkaloid, it falls under tariff item 2939.80.00 for other alkaloids not elsewhere specified.
dc-Saxitoxin Derivative
dc-Saxitoxin is a derivative of saxitoxin, a naturally occurring alkaloid toxin, classified as a chemically defined structural analogue. As an alkaloid derivative, it falls under tariff item 2939.80.00 for other alkaloids and their derivatives.
Hordenine Hydrobromide
Hordenine hydrobromide is a phenethylamine alkaloid salt used in supplements and research applications. As a chemically defined alkaloid salt, it is classified under tariff item 2939.80.00 for other alkaloids and their salts, per Chapter 29 rules for inorganic salts of organic compounds.