Aminophylline Powder from China
Aminophylline is a defined complex of theophylline and ethylenediamine, explicitly listed in the tariff item description. It is a bronchodilator used in asthma and COPD treatments. The product is a separate chemically defined compound, qualifying under Chapter 29 Note 1(a).
Duty Rate — China → Canada
0%
Import Tips
• Confirm the theophylline-to-ethylenediamine ratio matches the pharmacopoeial standard (typically 2:1) to avoid reclassification
• Submit a Material Safety Data Sheet (MSDS) with customs documentation
• Check if a Controlled Drugs and Substances Act (CDSA) exemption applies, as aminophylline is not controlled but related substances may be