Industrial Nitrosulfuric Acid Solution 98% from Japan
Industrial nitrosulfuric acid solution 98% is a high-purity aqueous solution of nitrosylsulfuric acid, used in organic synthesis and explosives manufacturing. It is a sulfonitric acid, which is explicitly covered by tariff item 2808.00.00. The product is a separate chemically defined inorganic compound, and its aqueous solution is permitted under Chapter 28 note 1(b).
Duty Rate — Japan → Canada
Import Tips
• Ensure the solution concentration is accurately stated on the commercial invoice; the CBSA may require a lab analysis to confirm it is nitrosylsulfuric acid
• Since the product is used in explosives, verify if an end-use certificate or permit is needed from the Explosives Regulatory Division
• Provide a safety data sheet (SDS) and proper UN classification for transport to avoid delays at the border