High-Purity Ethoxyquin USP Grade from China
High-purity ethoxyquin (greater than 98% purity) meeting USP standards, used as a reference standard and research chemical. As a separate chemically defined quinoline compound, it is classified under tariff item 2933.49.00, which covers other quinoline or isoquinoline ring-system compounds.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is accompanied by a certificate of analysis confirming purity above 98% to support classification
• Verify whether the product qualifies for duty relief under the Customs Tariff's provisions for scientific or research purposes
• Keep records of the end use to demonstrate it is not for retail sale