Sodium Thiosulfate Pentahydrate from United States
Sodium thiosulfate pentahydrate (Na2S2O3·5H2O), a colorless crystalline compound for photography and water treatment. It is a chemically defined thiosulfate of sodium, classifiable under this tariff item as a thiosulphate.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the hydration state is accurately declared, as it affects the chemical formula
• Provide the purity and intended use
• If for photographic use, check if it is a prepared solution under Chapter 37