Description

Potassium Pentafluoropropionate (CAS No. 378-76-7) is a high-purity fluorinated organic salt with the molecular formula C₃F₅KO₂. This compound, also known as potassium 2,2,3,3,3-pentafluoropropanoate, is a white crystalline powder with exceptional thermal and chemical stability, making it ideal for specialized applications in pharmaceuticals, agrochemicals, and advanced material synthesis. Its unique fluorinated structure enhances reactivity and solubility in polar solvents, facilitating its use as a versatile building block in organofluorine chemistry. Suitable for research and industrial use, this product is rigorously tested for purity (typically ≥98%) and consistency, ensuring reliable performance in demanding environments. Store in a cool, dry place, protected from moisture and light.

Properties

• CAS Number: 378-76-7
• Complexity: 152
• IUPAC Name: potassium;2,2,3,3,3-pentafluoropropanoate
• InChI: InChI=1S/C3HF5O2.K/c4-2(5,1(9)10)3(6,7)8;/h(H,9,10);/q;+1/p-1
• InChI Key: AHGFDQXBCIASJK-UHFFFAOYSA-M
• Exact Mass: 201.94555153
• Molecular Formula: C3F5KO2
• Molecular Weight: 202.12
• SMILES: C(=O)(C(C(F)(F)F)(F)F)[O-].[K+]
• Topological: 40.1
• Monoisotopic Mass: 201.94555153
• Synonyms: EINECS 206-829-6, Propanoic acid, pentafluoro-, potassium salt, Propanoic acid, 2,2,3,3,3-pentafluoro-, potassium salt (1:1), Potassium pentafluoropropionate, 378-76-7, MFCD16620584, potassium;2,2,3,3,3-pentafluoropropanoate, potassium pentafluoropropanoate, potassium 2,2,3,3,3-pentafluoropropanoate, Potassium perfluoropropanoate, Potassium perfluoropropionate, Potassiumpentafluoropropionate, SCHEMBL1094505, DTXSID00883375, AKOS016016138, NS00079688

Application

Potassium Pentafluoropropionate is widely utilized as a key intermediate in the synthesis of fluorinated pharmaceuticals and agrochemicals due to its ability to introduce pentafluoropropionate groups into target molecules. It serves as a precursor in the preparation of specialty polymers and surfactants, where its fluorinated moiety imparts unique properties such as oil and water repellency. Researchers also employ this compound in the development of advanced electrolytes for lithium-ion batteries, leveraging its high thermal and electrochemical stability.

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