Description

4-Vinylbenzenesulfonic acid lithium salt (CAS No. 4551-88-6) is a high-purity, organometallic compound with the molecular formula C₈H₇LiO₃S. This white to off-white crystalline powder is a lithium salt derivative of 4-vinylbenzenesulfonic acid, offering excellent solubility in polar solvents such as water and alcohols. Ideal for advanced electrochemical and polymer research, it serves as a key monomer in the synthesis of conductive polymers, ion-exchange membranes, and lithium-ion battery electrolytes. With a high thermal stability and consistent batch-to-batch quality, this reagent is essential for researchers developing next-generation energy storage materials and functionalized polymers. Packaged under inert conditions to ensure prolonged shelf life and purity.

Properties

• CAS Number: 4551-88-6
• Complexity: 247
• IUPAC Name: lithium;4-vinylbenzenesulfonate
• InChI: InChI=1S/C8H8O3S.Li/c1-2-7-3-5-8(6-4-7)12(9,10)11;/h2-6H,1H2,(H,9,10,11);/q;+1/p-1
• InChI Key: YSKIQSYEHUCIFO-UHFFFAOYSA-M
• Exact Mass: 190.02759369
• Molecular Formula: C8H7LiO3S
• Molecular Weight: 190.2
• SMILES: [Li+].C=CC1=CC=C(C=C1)S(=O)(=O)[O-]
• Topological: 65.6
• Monoisotopic Mass: 190.02759369
• Synonyms: 4551-88-6, LITHIUM-P-STYRENESULFONATE, 4-vinylbenzenesulfonic acid lithium salt, Lithium4-vinylbenzenesulfonate, lithium;4-ethenylbenzenesulfonate, Lithium 4-ethenylbenzene-1-sulfonate, SCHEMBL813502, Lithium 4-vinylbenzenesulfonate, YSKIQSYEHUCIFO-UHFFFAOYSA-M, MFCD13185247, 4-vinylbenzene sulfonic acid lithium salt, G86878

4-Vinylbenzenesulfonic acid lithium salt is widely used as a functional monomer in the preparation of sulfonated polymers for proton-exchange membranes (PEMs) in fuel cells. It also serves as a dopant or additive in solid polymer electrolytes for lithium-ion batteries due to its ionic conductivity-enhancing properties. Researchers utilize this compound in graft copolymerization to improve hydrophilicity and ion transport in advanced materials.

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