Technical Grade Lithium PFOS Crystals
Crystalline technical-grade lithium perfluorooctane sulfonate for surfactant manufacturing. Falls under HTS 2904.33.00.00 as a perfluorinated sulfonate salt, explicitly listed in the heading for PFOS salts. Qualifies as a separate chemically defined compound per Chapter 29 scope.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sulfur atom linkage interpreted as organo-sulfur compound beyond sulfonated derivative
Heading 2930 covers organo-sulfur with non-carbon linked sulfur, but sulfonated hydrocarbons remain in 2904 per notes.
If formulated as finishing agents for textiles or paper
PFOS mixtures used as finishing agents classify in 3809, not pure compounds of Chapter 29.
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Import Tips & Compliance
• Include Safety Data Sheets (SDS) showing <99% purity to avoid mixture classification
• Check Stockholm Convention restrictions; some countries ban PFOS imports entirely
• Label as 'research chemical only' if not for commercial production to ease regulatory scrutiny
Related Products under HTS 2904.33.00.00
Lithium Perfluorooctane Sulfonate Powder
Pure lithium perfluorooctane sulfonate (Li-PFOS) in powdered form, a fluorinated surfactant used in industrial applications. Classified under HTS 2904.33.00.00 as a sulfonated, halogenated derivative of hydrocarbons, specifically the lithium salt of perfluorooctane sulfonic acid. Meets chapter 29 requirements for separate chemically defined organic compounds.
High-Purity Li-PFOS for Electroplating Baths
Ultra-pure lithium perfluorooctane sulfonate designed for electroplating surfactant applications. Precisely classified under 2904.33.00.00 as the lithium salt of perfluorooctane sulfonic acid, a halogenated sulfonated hydrocarbon derivative. Exclusively covered by Chapter 29 for chemically defined organic compounds.
Lithium Perfluorooctane Sulfonate Stabilized Flake
Stabilized flake form of lithium PFOS with minimal anticaking agent for safe transport. Allowed under Chapter 29 note (f) as stabilizer necessary for preservation; principal compound remains HTS 2904.33.00.00. Maintains classification as chemically defined PFOS lithium salt.
PFOS Lithium Salt Aqueous Solution 70%
70% aqueous solution of lithium perfluorooctane sulfonate for firefighting foam production. Classified under HTS 2904.33.00.00 per Chapter note (d) for products of 2904 dissolved in water. Remains chemically defined compound, not a preparation.
Research Grade Lithium PFOS (>99%)
High-purity (>99%) lithium perfluorooctane sulfonate for laboratory research on fluorosurfactants. Strictly classified under HTS 2904.33.00.00 as the pure chemical compound, meeting Chapter 29 note (a) criteria. Not excluded by any chapter limitations.