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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If formulated as a surface treatment preparation with solvents or additives
Mixtures containing this compound as an active ingredient for specific end-use like coatings fall under mixtures of Chapter 38 rather than pure compounds.
If imported dissolved in solvents solely for safety/transport
Chapter 29 note (e) allows solutions in solvents for transport to stay in Chapter 29, but if rendered suitable for specific use, it shifts to preparations in 2904.
If put up as pesticide or disinfectant formulation
Quaternary ammonium compounds in pesticide forms are excluded from Chapter 29 and classified under heading 3809 for disinfectants.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming the exact composition as didecylmethylammonium perfluorooctane sulfonate to match HTS 2923.40.00.00
• Declare any stabilizers or impurities per Chapter 29 notes (f)-(g); exceeding general use criteria may shift classification
• Comply with EPA PFAS regulations; include TSCA certification to avoid import holds on perfluorooctane sulfonate compounds
Related Products under HTS 2923.40.00.00
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.
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.
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.