Vanillin Impurity Standard Piperonal from China
Certified reference piperonal at 0.1% concentration in acetonitrile for HPLC calibration. This diluted solution qualifies under Chapter note 1(e) as a normal analytical method, so it remains classified under tariff item 2932.93.00.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the acetonitrile is used solely for analytical purposes and does not make the product suitable for a specific use
• Declare under tariff item 2932.93.00
• Provide documentation on the solvent's purpose to CBSA