Diethyl Oxalate from China
Diethyl oxalate is the ethyl ester of oxalic acid, used in pharmaceutical synthesis and dye manufacturing. As an ester of oxalic acid, it is classified under the tariff item for oxalic acid, its salts and esters, per the chapter's ester classification rules.
Duty Rate — China → Canada
0%
Import Tips
• Provide the chemical formula and CAS number on the invoice to confirm the ester identity
• Ensure the product is not denatured or mixed with other solvents, as that could change classification
• Declare the intended use (e.g
• pharmaceutical synthesis) to align with customs expectations