Phthalic Isophthalic Anhydride Precursor from China
Phthalic Isophthalic Anhydride Precursor is isophthalic acid used as a precursor for mixed phthalic-isophthalic anhydride in alkyd resin production. It is classified as isophthalic acid under tariff item 2917.39.00 before anhydride formation.
Duty Rate — China → Canada
0%
Import Tips
• Classify the product based on its chemical identity as isophthalic acid, not its intended use
• Provide the CAS number and purity certificate
• Be aware that if the product is already converted to an anhydride, a different tariff item applies