Ammonium Thiosulfate Solution from United States
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.
Duty Rate — United States → Canada
0%
Import Tips
• If the solution is for fertilizer use, verify if it falls under Chapter 31 as a mineral fertilizer, which may have different duty rates
• Provide the concentration and intended use to CBSA
• Ensure the solution is stable and properly labeled for transport