Tariff reference › Chapter 29 › 2909.49.05.00
HTS 2909.49.05.00 — Guaifenesin
The current US import duty for Guaifenesin (HTS 2909.49.05.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives › Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives: › Other: › Aromatic: › Guaifenesin
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 15.4¢/kg + 79% |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
Alert me when this code changes (free) See all recorded changes
Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2909.49.05.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).