Industrial Potassium Perfluorooctanesulfonate Crystals
Crystalline potassium PFOS for industrial wetting agent production, meeting purity specs for surfactants. HTS 2904.34.00.00 specifically covers this potassium salt as a perfluoroalkyl sulfonated derivative. Remains in Chapter 29 as chemically defined, not a preparation.
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Alternative Classifications
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Import Tips & Compliance
• Declare intended industrial application to avoid consumer goods restrictions; ensure DOT/ADR transport compliance
• Pitfall: bulk packaging without stabilizers may require Chapter 29 note (f) justification
Related Products under HTS 2904.34.00.00
Potassium Perfluorooctane Sulfonate Powder
Pure potassium perfluorooctane sulfonate (PFOS-K) in powdered form, a fluorinated surfactant used in industrial applications. Classified under HTS 2904.34.00.00 as a sulfonated, halogenated derivative of hydrocarbons, specifically the potassium salt of perfluorooctane sulfonic acid. Meets chapter 29 requirements for chemically defined organic compounds with sulfonated and halogenated functions.
PFOS Potassium Salt Technical Grade 98%
Technical grade potassium perfluorooctane sulfonate with 98% purity, used in manufacturing fire-fighting foams and coatings. Falls under HTS 2904.34.00.00 due to its specific chemical identity as a perfluorooctane sulfonate salt. Exclusively covers chemically defined sulfonated/halogenated hydrocarbons per Chapter 29 notes.
Perfluorooctane Sulfonate Potassium Flake Form
Flake-form potassium perfluorooctane sulfonate for easy handling in chemical synthesis. Precisely matches HTS 2904.34.00.00 as the potassium salt of PFOS, a halogenated sulfonated hydrocarbon derivative. Chapter notes confirm classification for pure compounds regardless of physical form.
High Purity PFOS-K for Research Use
Ultra-high purity (>99.5%) potassium perfluorooctane sulfonate for laboratory and research applications. Classified under HTS 2904.34.00.00 as it is a separate chemically defined compound per Chapter 29 note (a). Physical form (powder, crystal) does not affect heading.
PFOS Potassium Salt with Stabilizer Additive
Potassium perfluorooctane sulfonate with added stabilizer for transport stability, per Chapter 29 note (f). Still classified under HTS 2904.34.00.00 as the primary compound remains chemically defined. Stabilizer does not change essential character or create specific use formulation.