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Guaiacol Phosphate from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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