Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2908.99.09.00Tariff line
Classification path
Halogenated, sulfonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols
2908
Other
Other
Derivatives containing only sulfo groups, their salts and esters
1,8-Dihydroxynaphthalene-3,6-disulfonic acid and its disodium salt
2908.99.09.00
Rates of duty
General rate (Column 1)5.5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, L, MA, OM, P, PA, PE, S, SG)
Column 215.4¢/kg +62%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, L, MA, OM, P, PA, PE, S, SG)
Printed page 1450
Measure flags
for origin CN, entry date 2026-10-25 · base rate 5.5%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2908.99.09 is on L3
- PGAEPA EP7
Confirmed total 43% · max 43%Full duty breakdown →