Diethyl Azelate from Canada
Diethyl azelate ((CH2)7(CO2Et)2), ethyl ester of azelaic acid used as plasticizer and polymer intermediate. Classifies under HTS 2917.19.70 per Chapter 29 note on esters following the acid-function compound (azelaic acid). Ethyl esters specifically remain with parent acid heading.
Duty Rate — Canada → United States
14%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include saponification value confirming ester content >95% for classification verification
• Provide esterification yield documentation linking to classified parent azelaic acid
• Declare flash point and viscosity for proper hazmat shipping classification