Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products
3804.00.10.00Tariff line
Classification path
Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulfonates, but excluding tall oil of heading 3803
3804
Lignin sulfonic acid and its salts
3804.00.10.00
Rates of duty
General rate (Column 1)Free
Special—
Column 220%
Unitkg
Printed page 1658
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- 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 3804.00.10 is on L3
Confirmed total 37.5% · max 37.5%Full duty breakdown →