Skip to content
293510Chapter 29

HS code 293510: Sulphonamides

Covers:
Sulphonamides: N-Methylperfluorooctane sulphonamide.
Listed US duty:
6.5% (US general rate, HTS 2026)

Official description

Sulphonamides : N-Methylperfluorooctane sulphonamide

Find or check your HS code

Suggestions from the HS index, not a customs ruling

Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.

Or try

What 293510 covers and what it doesn’t

Official text: Sulphonamides › N-Methylperfluorooctane sulphonamide.

Nearby codes to check

  • Heading 2935 Sulphonamides: every subheading side by side.
  • 293520 N-Ethylperfluorooctane sulphonamide
  • 293530 N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide
  • 293540 N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide
  • 293550 Other perfluorooctane sulphonamides
  • 293590 Other

US duty rate

6.5%

General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.

Common questions

What is HS code 293510?
Sulphonamides : N-Methylperfluorooctane sulphonamide
What duty rates apply to 293510?
Listed duty rates range from 6.5% across 1 country rate.

Browse all of Chapter 29: Organic chemicals →

Go beyond the code

Find the companies shipping under 293510 in the company directory, or classify and check duty with the CLI.

Was this page helpful?