Mecoprop-p (4-(4-Chloro-2-methylphenoxy)butyric acid enantiomer) from United States
This is the herbicidally active enantiomer of 4-(4-chloro-2-methylphenoxy)butyric acid, used in selective weed control formulations. As a separate chemically defined organic compound with a carboxylic acid and ether oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
Duty Rate — United States → Canada
0%
Import Tips
• Specify the enantiomeric purity and CAS number on the certificate of analysis
• Confirm whether a Pest Control Products Act registration is needed
• Include the structural formula documentation for CBSA classification review