Guaiacol Phosphate from Mexico
Guaiacol phosphate is a phosphorylated derivative used in antitussive formulations, classified under HTS 2922.50.19.00 for its guaiacol base with oxygen function. It fits 'drugs: other' as a pharmaceutical intermediate.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Analyze phosphorus content to confirm derivative status
• pH-adjust to neutral for stability; include buffering agent declaration
• Avoid water-dissolved forms, which may reclassify per note (d)