Potassium perfluorooctane sulphonate
Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. > Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride: > Potassium perfluorooctane sulphonate > Potassium perfluorooctane sulphonate
Duty Rate (from China)
Products classified under Tariff item 2904.34.00
High Purity PFOS-K for Research Use
Ultra-high purity (>99.5%) potassium perfluorooctane sulfonate (PFOS-K) for laboratory and research applications. It is a separate chemically defined organic compound, qualifying under Chapter 29 Note 1(a), and is specifically named in tariff item 2904.34.00 as the potassium salt of perfluorooctane sulphonic acid.
Industrial Potassium Perfluorooctanesulfonate Crystals
Crystalline potassium perfluorooctanesulfonate for industrial wetting agent production, meeting purity specifications for surfactants. It is the potassium salt of perfluorooctane sulphonic acid, a halogenated sulphonated hydrocarbon derivative, and is classified under tariff item 2904.34.00.
Perfluorooctane Sulfonate Potassium Flake Form
Flake-form potassium perfluorooctane sulfonate for easy handling in chemical synthesis. This physical form does not alter the chemical identity; it remains the potassium salt of perfluorooctane sulphonic acid, falling under tariff item 2904.34.00.
PFOS Potassium Salt Technical Grade 98%
Technical grade potassium perfluorooctane sulfonate with 98% purity, used in manufacturing fire-fighting foams and coatings. Despite the lower purity, it is still a separate chemically defined compound (with impurities) per Chapter 29 Note 1(a), and is the potassium salt of perfluorooctane sulphonic acid, falling under tariff item 2904.34.00.
PFOS Potassium Salt with Stabilizer Additive
Potassium perfluorooctane sulfonate with an added stabilizer for transport stability. Per Chapter 29 Note 1(f), the addition of a stabilizer necessary for preservation or transport does not remove the product from the chapter, so it remains classified under tariff item 2904.34.00.
Potassium Perfluorooctane Sulfonate Powder
Pure potassium perfluorooctane sulfonate (PFOS-K) in powdered form, a fluorinated surfactant used in industrial applications. It is a sulfonated, halogenated derivative of hydrocarbons, specifically the potassium salt of perfluorooctane sulphonic acid, and is classified under tariff item 2904.34.00.