Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2921.59.17.00Tariff line
Classification path
Amine-function compounds
2921
Aromatic polyamines and their derivatives; salts thereof
Other
4,4'-Benzidine-2,2'-disulfonic acid; 1,4-Diaminobenzene-2-sulfonic acid; 4,4'-Methylene bis ((3-chloro-2,6-diethylaniline); 4,4'-Methylene bis(2,6-diethylaniline); 4,4'-Methylene bis (2,6-diisopropylaniline);m-Xylene diamine; and 3,3'-Diaminobenzidine (tetraaminobiphenyl)
2921.59.17.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg + 60%
Unitkg
Printed page 1503
Measure flags
for origin CN, entry date 2026-10-25 · 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 2921.59.17 is on L3
- PGAEPA EP7
Confirmed total 37.5% · max 37.5%Full duty breakdown →