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Atomfair Lithium tetrakis(pentafluorophenyl)borate Li[B(C6F5)4] C24BF20Li CAS 2797-28-6

Lithium tetrakis(pentafluorophenyl)borate (CAS No. 2797-28-6) is an organoboron compound with the molecular formula C24BF20Li . This highly fluorinated borate salt is widely recognized for its role as a weakly coordinating anion (WCA) in chemical synthesis, catalysis, and electrolyte formulations. Its IUPAC name is lithium;tetrakis(2,3,4,5,6-pentafluorophenyl)boranuide , and it is characterized by exceptional thermal stability and low nucleophilicity, making it ideal for applications requiring non-coordinating counterions. The compound is supplied as a high-purity solid, ensuring consistency for sensitive electrochemical and catalytic processes. Suitable for research in polymer chemistry, battery electrolytes, and organometallic catalysis, this product is handled under inert conditions to maintain…

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Description

Lithium tetrakis(pentafluorophenyl)borate (CAS No. 2797-28-6) is an organoboron compound with the molecular formula C24BF20Li. This highly fluorinated borate salt is widely recognized for its role as a weakly coordinating anion (WCA) in chemical synthesis, catalysis, and electrolyte formulations. Its IUPAC name is lithium;tetrakis(2,3,4,5,6-pentafluorophenyl)boranuide, and it is characterized by exceptional thermal stability and low nucleophilicity, making it ideal for applications requiring non-coordinating counterions. The compound is supplied as a high-purity solid, ensuring consistency for sensitive electrochemical and catalytic processes. Suitable for research in polymer chemistry, battery electrolytes, and organometallic catalysis, this product is handled under inert conditions to maintain integrity.

Properties

  • CAS Number: 2797-28-6
  • Complexity: 815
  • IUPAC Name: lithium;tetrakis(2,3,4,5,6-pentafluorophenyl)boranuide
  • InChI: InChI=1S/C24BF20.Li/c26-5-1(6(27)14(35)21(42)13(5)34)25(2-7(28)15(36)22(43)16(37)8(2)29,3-9(30)17(38)23(44)18(39)10(3)31)4-11(32)19(40)24(45)20(41)12(4)33;/q-1;+1
  • InChI Key: WTTFKRRTEAPVBI-UHFFFAOYSA-N
  • Exact Mass: 685.9933718
  • Molecular Formula: C24BF20Li
  • Molecular Weight: 686.0
  • SMILES: [Li+].[B-](C1=C(C(=C(C(=C1F)F)F)F)F)(C2=C(C(=C(C(=C2F)F)F)F)F)(C3=C(C(=C(C(=C3F)F)F)F)F)C4=C(C(=C(C(=C4F)F)F)F)F
  • Monoisotopic Mass: 685.9933718
  • Synonyms: Lithium tetrakis(pentafluorophenyl)borate, 2797-28-6, lithium;tetrakis(2,3,4,5,6-pentafluorophenyl)boranuide, li[b(c6f5)4], SCHEMBL133525, WTTFKRRTEAPVBI-UHFFFAOYSA-N

Application

Lithium tetrakis(pentafluorophenyl)borate is extensively used as a weakly coordinating anion in polymerization catalysts, enhancing reaction rates and control in olefin polymerization. It serves as a key component in lithium-ion battery electrolytes, improving conductivity and electrode stability. Researchers also employ it in organic synthesis to stabilize reactive cationic intermediates. Its fluorine-rich structure makes it valuable in specialty materials requiring oxidative resistance.

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Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

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