What does 2921.22 cover?

Hexamethylenediamine and its salts:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.

Where does this data come from?

Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.

2921.22 — Hexamethylenediamine and its salts:

Home/HTS/ Ch. 29/ 2921/2921.22

2921.22 · Hexamethylenediamine and its salts:

This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.

Subordinate codes (3)

Code	Description
2921.22.05.00	Hexamethylenediamine adipate (Nylon salt)
2921.22.10.00	Derived in whole or in part from adipic acid
2921.22.50.00	Other

Frequently asked

What does 2921.22 cover?: Hexamethylenediamine and its salts:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
Where does this data come from?: Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.