Synthetic Saxitoxin

Synthetic saxitoxin is a laboratory-reproduced version of the natural paralytic alkaloid toxin, explicitly covered under HTS 2939.80.0010 as alkaloids reproduced by synthesis. Its chemical structure matches natural saxitoxin, qualifying it as a separate chemically defined organic compound.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+25.0%31.5%
🇲🇽Mexico6.5%—6.5%
🇨🇦Canada6.5%—6.5%
🇩🇪Germany6.5%—6.5%
🇯🇵Japan6.5%—6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2939Same rate: 31.5%

If classified as other alkaloid derivatives not specifically named

Saxitoxin has specific subheading; unnamed alkaloids go to residual 2939.99.

9802.00.80Lower: 10% vs 31.5%

If personal effects of researchers returning from field studies

Small lab samples in traveler baggage may qualify for duty-free personal import.

Not sure which classification is right?

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Import Tips & Compliance

• Submit synthesis method documentation to distinguish from natural extracts

• Include Material Safety Data Sheet (MSDS) detailing toxicity and handling requirements

• Declare exact quantity in micrograms due to extreme potency; avoid bulk shipments

Related Products under HTS 2939.80.00.10

Saxitoxin Hydrochloride

Saxitoxin hydrochloride is the salt form of saxitoxin, a naturally occurring paralytic shellfish toxin classified as an alkaloid under HTS 2939.80.0010. It is chemically defined and falls within Chapter 29's scope for separate organic compounds, specifically saxitoxin.

Saxitoxin Sodium Salt

Saxitoxin sodium salt is the sodium derivative of saxitoxin, classified under HTS 2939.80.0010 as an alkaloid salt per Chapter 29 note 3(C)(1). Inorganic salts of organic alkaloid compounds remain with the parent organic compound classification.

Saxitoxin Reference Standard

Certified saxitoxin reference standard is high-purity saxitoxin for analytical calibration, classified under HTS 2939.80.0010. As a chemically defined alkaloid, it fits Chapter 29 despite reference use, not excluded as diagnostic reagent.

Saxitoxin in Aqueous Solution

Saxitoxin dissolved in water for stability during transport falls under HTS 2939.80.0010 per Chapter 29 note 2(d). The aqueous solution qualifies as a normal transport method without rendering it for specific use.

Saxitoxin with Stabilizer

Saxitoxin containing added stabilizers necessary for preservation falls under HTS 2939.80.0010 per Chapter 29 note 2(f). Stabilizers don't change its nature as a chemically defined alkaloid.

dc-Saxitoxin Derivative

dc-Saxitoxin (decarbamoyl saxitoxin) is a derivative of saxitoxin classified under HTS 2939.80.0010 as an alkaloid derivative. As a chemically defined structural analogue of saxitoxin, it remains in the specific saxitoxin subheading.