Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2918.99.50.00Tariff line
Classification path
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives
2918
Other
Other
Other
2918.99.50.00
Rates of duty
General rate (Column 1)4%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1490
Measure flags
for origin CN, entry date 2026-10-25 · base rate 4%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 4B (9903.88.16, suspended)9903.88.16Suspended+15% (suspended)List 4B is suspended indefinitely; not collected
- PGAEPA EP5EPA EP7
Confirmed total 16.5% · max 16.5%Full duty breakdown →