Guaiacol Phosphate from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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