Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals

2921.51.10.00Tariff line

Classification path

Amine-function compounds
2921
Aromatic polyamines and their derivatives; salts thereof
o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof
4-Amino-2-(N,N-diethylamino) toluene hydrochloride;m-Phenylenediamine;o-Phenylenediamine; Toluene-2,4-diamine; Toluene-2,5-diamine; and Toluene-2,5-diamine sulfate
2921.51.10.00

Rates of duty

General rate (Column 1)6.5%
SpecialFree (A+, AU, BH, CL, CO, D, E, IL, JO, KR, L, MA, OM, P, PA, PE, S, SG)
Column 215.4¢/kg + 48.5%
Unitkg

Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, L, MA, OM, P, PA, PE, S, SG)

Printed page 1502

Measure flags

for origin CN, entry date 2026-10-26 · base rate 6.5%

  • 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 2921.51.10 is on L3
  • PGAEPA EP7

Confirmed total 44% · max 44%Full duty breakdown →

U.S. → China →