Tariff reference › Chapter 29 › 2908.99.09.00
HTS 2908.99.09.00 — 1,8-Dihydroxynaphthalene-3,6-disulfonic acid and its disodium salt
The current US import duty for 1,8-Dihydroxynaphthalene-3,6-disulfonic acid and its disodium salt (HTS 2908.99.09.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Halogenated, sulfonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols: › Other: › Other: › Derivatives containing only sulfo groups, their salts and esters: › 1,8-Dihydroxynaphthalene-3,6-disulfonic acid and its disodium salt
Current US duty rate
| Column 1 (General / MFN) | 5.5% |
|---|---|
| Special (FTA programs) | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) |
| Column 2 (other) | 15.4¢/kg +62% |
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=2908.99.09.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).