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293540Chapter 29

HS code 293540: Sulphonamides

Covers:
Sulphonamides: N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide.
Listed US duty:
6.5% (US general rate, HTS 2026)

Official description

Sulphonamides : N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide

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Suggestions from the HS index, not a customs ruling

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What 293540 covers and what it doesn’t

Official text: Sulphonamides › N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide.

Nearby codes to check

  • Heading 2935 Sulphonamides: every subheading side by side.
  • 293510 N-Methylperfluorooctane sulphonamide
  • 293520 N-Ethylperfluorooctane sulphonamide
  • 293530 N-Ethyl-N-(2-hydroxyethyl) perfluorooctane 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 293540?
Sulphonamides : N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide
What duty rates apply to 293540?
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 293540 in the company directory, or classify and check duty with the CLI.

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