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HTS 2921.59.08.00Chapter 29

HTS 2921.59.08.005-Amino-2-(<i>p</i>-aminoanilino) benzenesulfonic acid; 4,4'-Diamino-3-biphenylsulfonic acid (3-Benzidinesulfonic acid); 3,3'-Dimethylbenzidine (<i>o</i>-Tolidine); 3,3'-Dimethylbenzidine hydrochloride; Ethyl-(2-dimethylaminoethyl) aniline;<i>N</i>-Ethyl-<i>N</i>,<i>N</i>'-dimethyl-<i>N</i>'-phenylethylene- diamine; and 4,4'-Methylenebis(2-chloroaniline) Duty Rate & Import Guide

Organic Chemicals · $4.9M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

5.8%

Special

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

Column 2

15.4¢/kg + 39.5%

Units: kg

Preferential Rates Available

Trade Agreement Eligibility

CUSMAKORUS

Notes

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Trade Intelligence

Monthly Imports

$4.9M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

0 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 5.8%

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 8 NCM codes

Compare All →

Data compiled from USITC HTS, US Census Bureau, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (1)

CodeDescriptionRate
2921.59.08.005-Amino-2-(<i>p</i>-aminoanilino) benzenesulfonic acid; 4,4'-Diamino-3-biphenylsulfonic acid (3-Benzidinesulfonic acid); 3,3'-Dimethylbenzidine (<i>o</i>-Tolidine); 3,3'-Dimethylbenzidine hydrochloride; Ethyl-(2-dimethylaminoethyl) aniline;<i>N</i>-Ethyl-<i>N</i>,<i>N</i>'-dimethyl-<i>N</i>'-phenylethylene- diamine; and 4,4'-Methylenebis(2-chloroaniline)5.8%

Matching Export Code (Schedule B)

2921590000Schedule B

AROMATIC POLYAMINES AND THEIR DERIVATIVES, SALTS THEREOF, NESOI

Census Bureau export classification matching this HTS import code.

2921.59.04.002921.59.17.00