Potassium Thiosulfate Crystals from United States
Potassium thiosulfate (K2S2O3) crystals, used as an analytical reagent and in aquaculture dechlorination. It is a chemically defined thiosulfate of potassium, falling under this tariff item as a thiosulphate.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is pure potassium thiosulfate with no added stabilizers
• Provide a certificate of analysis for customs
• If used in aquaculture, ensure it is not mixed with other water treatment chemicals