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)
2921.59.1700 · imported from China
The rates in this summary are the full program rates as the calculator computes them; one or more may not apply to your shipment — the conditions are noted below.
Organic chemicals from China. A duty-free MFN base rate, plus a Section 301 charge that may not apply to your article — see the conditions below.
| Component | Amount |
|---|---|
| MFN base rate | $0.00 |
| Section 301 (List 3) | $250.00 |
| Merchandise Processing Feeminimum fee applies — 0.3464% of this value is below the $33.58 floor | $33.58 |
| Harbor Maintenance Fee | $1.25 |
| Total duties & fees | $284.83 |
Rates as of 2026-07-11 · base rate & classification from the USITC HTS; the §301/§232/§122 rates from USTR & Presidential proclamations
Estimates only — not legal or customs advice.
The Section 301 rate shown is the full List rate. Active USTR product exclusions may reduce or remove it for specific products — check the USTR exclusion portal and confirm with a licensed customs broker.
What else affects this line
Recent changes
No rate changes have been recorded for this chapter recently — this tariff has been stable.