Gentisic Acid USP Grade from China
USP-grade gentisic acid (2,5-dihydroxybenzoic acid) is a chemically defined organic compound with a carboxylic acid group and phenolic hydroxy functions. It is classified under this tariff item as a carboxylic acid with phenol function, meeting pharmaceutical purity standards.
Duty Rate — China → Canada
0%
Import Tips
• Provide a certificate of analysis showing USP compliance
• If the product is for drug manufacturing, ensure it is not put up in measured doses or for retail sale
• Consider whether the product qualifies for preferential duty rates under trade agreements