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

2921.21.00.00Tariff line

Classification path

Amine-function compounds
2921
Acyclic polyamines and their derivatives; salts thereof
Ethylenediamine and its salts
2921.21.00.00

Rates of duty

General rate (Column 1)5.8%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 239%
Unitkg

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

Printed page 1495

Measure flags

for origin CN, entry date 2026-10-26 · base rate 5.8%

  • 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 2921.21.00 is on L3
  • AD/CVD: 0 orders in place, 2 investigationsInfo—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
  • AD/CVD 2 casesConditionalA570245 / C570246
  • PGAFDA FD3

Confirmed total 43.3% · max 43.3%Full duty breakdown →

U.S. → China →