Guaiacol Carbonate from Mexico
Guaiacol carbonate is a derivative of guaiacol, featuring a carbonate ester group attached to the phenolic oxygen, classifying it as an aromatic amino-compound with oxygen function under HTS 2922.50.19.00. It is used in pharmaceutical synthesis as an intermediate for expectorant drugs and cough syrups.
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
• Verify chemical purity via Certificate of Analysis (CoA) to confirm guaiacol derivative status and avoid reclassification
• Include Safety Data Sheet (SDS) and ensure UN-approved packaging for hazardous chemical transport
• Watch for drug precursor regulations under DEA if used in controlled substance synthesis