What does 2935 cover?

Sulfonamides:. 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.

2935 — Sulfonamides: | US duty

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2935 · Sulfonamides:

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

Subordinate codes (6)

Code	Description
2935.10.00.00	N-Methyl perfluorooctane sulfonamide
2935.20.00.00	N-Ethyl perfluorooctane sulfonamide
2935.30.00.00	N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide
2935.40.00.00	N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide
2935.50.00.00	Other perfluorooctane sulfonamides
2935.90	Other:

Frequently asked

What does 2935 cover?: Sulfonamides:. 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.