2921.51—o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof
General duty rate
6.5%
Across 4 10-digit lines
Coverage on this page
Up one level: 2921 — Amine-function compounds (heading)
Plain-English explanation
HTS 2921.51 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. It sits in Chapter 29: Organic chemicals, Section VI: Products of the Chemical or Allied Industries and rolls up 4 10-digit statistical lines, all with a general duty rate of 6.5%. No Chapter 99 tariff modifications or AD/CVD orders currently flag any line under this subheading in Tandom's catalog.
10-digit lines under 2921.51(4)
Pick a line to view full rate detail and compute landed duty
2921.51.10.004-Amino-2-(N,N-diethylamino) toluene hydrochloride;m-Phenylenediamine;o-Phenylenediamine; Toluene-2,4-diamine; Toluene-2,5-diamine; and Toluene-2,5-diamine sulfate6.5%2921.51.20.00Photographic chemicals6.5%2921.51.30.00Products described in additional U.S. note 3 to section VI6.5%2921.51.50.00Other6.5% Frequently asked questions
What does HTS 2921.51 cover?
HTS 2921.51 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. It belongs to Chapter 29 and rolls up 4 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 2921.51?
Every 10-digit line under HTS 2921.51 carries a general (Column 1) duty rate of 6.5%. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
How do I find the right 10-digit line under HTS 2921.51?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 2921.51 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 2921.51?
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