Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2921.45.90.10Tariff line
Classification path
Amine-function compounds
2921
Aromatic monoamines and their derivatives; salts thereof
1-Naphthylamine (α-Naphthylamine), 2-Naphthylamine (β-Naphthylamine), and their derivatives; salts thereof
Other
Other
2-Amino-1-naphthalenesulfonic acid (Tobias acid)
2921.45.90.10
Rates of duty
General rate (Column 1)6.5%
SpecialFree (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG)
Column 215.4¢/kg + 60%
Unitkg
Free (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG)
Printed page 1500
Measure flags
for origin CN, entry date 2026-10-25 · 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 2921.45.90 is on L3
- PGAEPA EP7
Confirmed total 44% · max 44%Full duty breakdown →