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Guaiacol Phosphate from Canada

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 — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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)