N-Nitrosodiphenylamine Analytical Standard from Japan
High-purity N-Nitrosodiphenylamine (99.5%+) is a certified reference material used for EPA Method 8270 laboratory analysis. As a pure derivative of diphenylamine, it is classified under tariff item 2921.44.00, meeting Chapter 29's requirements for chemically defined compounds.
Duty Rate — Japan → Canada
0%
Import Tips
• For analytical standards, ensure the product is packaged appropriately for laboratory use; if it is in measured doses for retail sale, consider heading 38.22
• Provide a certificate of analysis to CBSA to confirm purity
• Check if the product requires an import permit under Canadian chemical regulations