2921.22—Hexamethylenediamine and its salts
General duty rate
6.5%
Across 3 10-digit lines
Coverage on this page
Up one level: 2921 — Amine-function compounds (heading)
Plain-English explanation
HTS 2921.22 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Hexamethylenediamine and its salts. It sits in Chapter 29: Organic chemicals, Section VI: Products of the Chemical or Allied Industries and rolls up 3 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 2921.22(3)
Pick a line to view full rate detail and compute landed duty
Frequently asked questions
What does HTS 2921.22 cover?
HTS 2921.22 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Hexamethylenediamine and its salts. It belongs to Chapter 29 and rolls up 3 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 2921.22?
Every 10-digit line under HTS 2921.22 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 2921.22?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 2921.22 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 2921.22?
Learn more
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