Ammonium Sulfite Solution 40% from Japan
A 40% aqueous solution of ammonium sulfite ((NH4)2SO3), used in wastewater treatment and as an oxygen scavenger. This solution is a separate chemically defined compound dissolved in water, meeting the requirements of Chapter 28 Note 1(b), and falls under tariff item 2832.20.00 as an 'other sulphite'.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the solution is clearly labelled with its chemical composition and concentration for CBSA inspection
• Provide a safety data sheet (SDS) if required, as ammonium sulfite may be subject to workplace hazardous materials regulations