Pharmaceutical Grade Sodium Thiosulfate USP
USP-grade sodium thiosulfate meeting pharmacopeia standards for medicinal use as an antidote. It is a chemically defined compound of sodium, classifiable under this tariff item as a thiosulphate, even though it is for pharmaceutical purposes.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If put up in measured doses or for retail sale as a medicament
Medicaments in measured doses are classified in Chapter 30, overriding Chapter 28.
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
• If the product is in measured doses or for retail sale as a medicament, it may be classified under Chapter 30 instead
• Provide Health Canada approval or notification if applicable
• Ensure the product is not mixed with excipients that alter its chemical identity
Related Products under Tariff item 2832.30.00
Ammonium Thiosulfate Solution
Ammonium thiosulfate ((NH4)2S2O3) in aqueous solution, used as a fertilizer additive and in gold leaching. It is a chemically defined thiosulfate of ammonium, classifiable under this tariff item as a thiosulphate.
Anhydrous Sodium Thiosulfate Powder
Anhydrous sodium thiosulfate (Na2S2O3) in white powder form, a separate chemically defined compound of sodium. It is used in gold extraction and as a dechlorinator in water treatment, and qualifies under tariff item 2832.30.00 as a thiosulphate.
Aquarium Dechlorinator Sodium Thiosulfate
Concentrated sodium thiosulfate solution crystals for aquarium dechlorination, consisting of the pure sodium thiosulfate salt. Despite its retail purpose, it remains a chemically defined thiosulfate of sodium, classifiable under this tariff item.
Barium Thiosulfate Anhydrous
Barium thiosulfate (BaS2O3) anhydrous, a specialty chemical for pyrotechnics and analytical reagent use. It is a chemically defined thiosulfate of barium, falling under this tariff item as a thiosulphate.
Calcium Thiosulfate Powder
Calcium thiosulfate (CaS2O3) powder, used in rubber processing and wastewater treatment. It is a chemically defined thiosulfate of calcium, classifiable under this tariff item as a thiosulphate.
Gold Mining Sodium Thiosulfate Extractant
Technical grade sodium thiosulfate used as a lixiviant in gold leaching processes, a chemically defined compound of sodium. Its industrial application does not alter its classification as a thiosulphate under this tariff item.