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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the flake form is free of any additives that could change classification; if only the pure salt, it remains under this item
• Ensure proper packaging for transport to prevent dust formation, as CBSA may inspect for safety compliance
• Include the chemical name and CAS number on the commercial invoice
Related Products 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.
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.