Heptachlor Pure Isomer from United States
Heptachlor Pure Isomer features seven chlorine atoms on a cyclodiene ring system, used as a precursor to heptachlor epoxide. As a chlorinated derivative of a cyclanic hydrocarbon without other halogens, it falls under tariff item 2903.89.00. This pure isomer is used in chemical synthesis and research.
Duty Rate — United States → Canada
0%
Import Tips
• Heptachlor is a banned pesticide under the Stockholm Convention; obtain special permits for research purposes
• Provide a certificate of analysis and end-use statement to CBSA
• Ensure compliance with Canadian hazardous materials transportation regulations