Guaiacol Glycerol Ether from Canada
Guaiacol glycerol ether is a specialized derivative where guaiacol is ether-linked to glycerol, used in pharmaceutical formulations for expectorant properties. Classified under HTS 2909.50.20.00 as it maintains the core guaiacol ether-phenol structure. Imported for synthesis of advanced respiratory therapeutics.
Duty Rate — Canada → United States
15.5%
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
• Provide reaction pathway documentation showing derivation from guaiacol base structure to support classification
• Test for glycerol content; excess may trigger reclassification as glycerol ether-alcohol under different provisions
• Include stability data confirming no decomposition products that alter chemical definition