Description

Potassium perfluorohexanesulfonate is a highly specialized fluorinated organic compound with the molecular formula C₆F₁₃KO₃S. This potassium salt of perfluorohexanesulfonic acid is characterized by its strong anionic surfactant properties and exceptional chemical stability due to the perfluorinated carbon chain. It exhibits high thermal resistance, low surface tension, and excellent solubility in polar solvents, making it a valuable material for advanced industrial and research applications. The compound is supplied as a high-purity solid, ensuring consistent performance in demanding environments. Proper handling and storage are recommended to maintain its integrity.

Properties

• CAS Number: 3871-99-6
• Complexity: 559
• IUPAC Name: potassium;1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane-1-sulfonate
• InChI: InChI=1S/C6HF13O3S.K/c7-1(8,3(11,12)5(15,16)17)2(9,10)4(13,14)6(18,19)23(20,21)22;/h(H,20,21,22);/q;+1/p-1
• InChI Key: RSCGQEBKFSGWJT-UHFFFAOYSA-M
• Exact Mass: 437.8997626
• Molecular Formula: C6F13KO3S
• Molecular Weight: 438.21
• SMILES: C(C(C(C(F)(F)S(=O)(=O)[O-])(F)F)(F)F)(C(C(F)(F)F)(F)F)(F)F.[K+]
• Topological: 65.6
• Monoisotopic Mass: 437.8997626
• Synonyms: 3871-99-6, Potassium perfluorohexanesulfonate, Potassium perfluorohexane-1-sulphonate, 1-Hexanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro-, potassium salt, potassium tridecafluorohexane-1-sulfonate, DTXSID3037709, 4Y7972M53L, DTXCID1017709, 1-Hexanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro-, potassium salt (1:1), 223-393-2, potassium 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane-1-sulfonate, Perfluorohexanesulfonic acid potassium salt, Tridecafluorohexane-1-sulfonic acid potassium salt, Tridecafluorohexanesulfonic Acid Potassium Salt, MFCD00066406, potassium;1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane-1-sulfonate, 1-Hexanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro-, potassium salt (1:1), Tridecafluorohexanesulfonic Acid Potassium Salt (Mixture of Isomers), UNII-4Y7972M53L, Potassium perfluorohexanesulfonate; Perfluorohexanesulfonate, potassium salt; Perfluorohexanesulfonate, potassium salt (mixed isomers); PFHxS, potassium salt; PFHxS, potassium salt (mixed isomers), EINECS 223-393-2, PFHS-K, C6F13KO3S, SCHEMBL544675, CHEMBL1902140, MSK9512, Tox21_300396, Potassium perfluorohexane-1-sulfonate, AKOS016010406, 1,1,2,2,3,3,4,4,5,5,6,6,6-Tridecafluorohexane-1-sulfonic acid, potassium salt, NCGC00163913-01, NCGC00163913-02, NCGC00254361-01, AS-74015, POTASSIUM (PERFLUOROHEXYL)SULFONATE, SY066999, 1ST9512-1000M, CAS-3871-99-6, DB-371674, NS00096376, POTASSIUM PERFLUORO-1-HEXANESULFONATE, D82039, Potassium perfluorohexane-1-sulfonate, technical grade, Q27260661, 1-HEXANESULFONIC ACID, TRIDECAFLUORO-, POTASSIUM SALT, Tridecafluorohexane-1-sulfonic acid potassium salt, >=98.0% (T), Perfluorohexanesulfonic acid potassium salt, Potassium tridecafluoro-1-hexanesulfonate, Perfluorohexanesulfonic acid potassium salt; potassium 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane-1-sulfonate; Potassium perfluorohexanesulfonate; Perfluorohexanesulfonic acid potassium salt; Tridecafluorohexane-1-sulfonic acid potassium salt

Potassium perfluorohexanesulfonate is widely used as a surfactant and electrolyte additive in advanced battery systems, particularly lithium-ion batteries, due to its ability to enhance ionic conductivity and electrode stability. In materials science, it serves as a key component in the synthesis of fluorinated polymers and coatings, providing water and oil repellency. Additionally, it finds applications in semiconductor manufacturing as a wetting agent and in specialty chemical synthesis as a phase-transfer catalyst.

Safety and Hazards

GHS Hazard Statements

• H301: Toxic if swallowed [Danger Acute toxicity, oral]
• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H351: Suspected of causing cancer [Warning Carcinogenicity]
• H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]

Precautionary Statements

• P203, P260, P264, P264+P265, P270, P280, P301+P316, P305+P351+P338, P318, P319, P321, P330, P337+P317, P405, and P501

Hazard Classes and Categories

• Acute toxicity – category 3
• Carcinogenicity – category 2
• Eye irritation – category 2A
• Specific target organ toxicity – category 1

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