</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Guaiacol Carbonate from Germany

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 — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

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