Stabilized Didecylmethylammonium Perfluorooctane Sulfonate
This quaternary ammonium salt with added stabilizer for preservation during transport. Remains under HTS 2923.40.00.00 as per Chapter 29 note (f) allowing stabilizers necessary for preservation. Applied in electronics manufacturing for fluorinated surfactants.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as additive in fuel or lubricant compositions
Antistatic or anticorrosion compounds containing quaternary ammonium salts shift to Chapter 38 for formulated products.
If other quaternary ammonium salts not specifically enumerated
If impurities alter it from exact didecylmethylammonium PFOS, it falls to residual 2923.90.
If sold as aqueous solution for general cleaning
Water-dissolved per note (d) stays in 29, but cleaning preparations go to 3824.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• List stabilizer composition and justify as 'necessary for preservation' per note (f) to prevent reclassification
• Use proper UN packaging for corrosive chemicals; mismatches lead to CBP exam delays
• Monitor MFN duty rates; GSP ineligible due to chemical specificity—confirm country of origin
Related Products under HTS 2923.40.00.00
Didecylmethylammonium Perfluorooctane Sulfonate Powder
A quaternary ammonium salt combining didecylmethylammonium cation with perfluorooctane sulfonate anion, supplied as a fine white powder. Classified under HTS 2923.40.00.00 as it is a specific chemically defined quaternary ammonium salt per Chapter 29 note (a). Used primarily in specialty chemical applications for its surfactant properties.
Didecylmethylammonium Perfluorooctane Sulfonate 98% Pure
High-purity (98%) version of this quaternary ammonium salt, chemically defined with minimal impurities. Falls under HTS 2923.40.00.00 per Chapter 29 note (a) as a separate chemically defined organic compound. Commonly used in research and industrial fluorosurfactant synthesis.
Technical Grade Didecylmethylammonium Perfluorooctane Sulfonate
Technical grade version with allowable impurities, still chemically defined as the named compound. HTS 2923.40.00.00 applies per Chapter 29 note (a) for organic compounds whether or not containing impurities. Utilized in polymer processing aids.
Didecylmethylammonium Perfluorooctane Sulfonate Flakes
Flake form of this specific quaternary ammonium perfluorosulfonate for easier handling. Classified precisely under HTS 2923.40.00.00 as the named compound per subheading description. Employed in high-performance coating formulations.