Zinc Thiosulfate Hydrate from Japan
Zinc thiosulfate hydrate (ZnS2O3·H2O), used as a corrosion inhibitor and in photographic developers. It is a chemically defined thiosulfate of zinc, classifiable under this tariff item as a thiosulphate.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the hydrate form and purity, as impurities may affect classification
• Provide a safety data sheet due to zinc content
• If used in photography, ensure it is not part of a formulated developer solution