Guaiacol Phosphate from Canada
Guaiacol phosphate represents phosphorylated derivatives of guaiacol used in specialized pharmaceutical applications and organophosphorus synthesis. As an organo-inorganic compound derived from ether-phenol, classified under HTS 2909.50.20.00 before heading 2931 provisions. Industrial chemical import.
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
• Include phosphorus NMR confirming direct ether-phenol phosphate linkage without metal coordination
• Declare phosphorus content; high levels may trigger hazardous material documentation
• Avoid aqueous solutions exceeding chapter note (d) limits to maintain pure compound status