Hexamethylenediamine Sulfate from Japan
Hexamethylenediamine Sulfate is the sulfate salt of hexamethylenediamine, used as a corrosion inhibitor intermediate and in water treatment chemicals. It is classified under tariff item 2921.22.00 as a salt of the acyclic polyamine hexamethylenediamine. The product is typically supplied as a 50-70% aqueous solution, which is covered by Chapter 29 notes for products dissolved in water.
Duty Rate — Japan → Canada
0%
Import Tips
• Specify the concentration of the aqueous solution on the commercial invoice, as it affects the classification
• Ensure the solution is a normal method of putting up the product for safety or transport, not for specific use
• Verify that the product is not mixed with other chemicals that could change its classification