Description

Sodium Difluorophosphate (NaPO₂F₂) is a high-purity inorganic compound with the molecular formula F₂NaO₂P and CAS number 15587-24-3. This white crystalline powder is widely utilized in advanced electrochemical applications due to its exceptional stability and ionic conductivity. As a sodium-based fluorophosphate, it serves as a critical electrolyte additive in sodium-ion batteries, enhancing cycle life and thermal safety. Its IUPAC name, sodium;difluorophosphinate, reflects its precise chemical structure, validated by the InChI key KBVUALKOHTZCGR-UHFFFAOYSA-M. Packaged under inert conditions to prevent moisture absorption, our product meets rigorous analytical standards (≥98% purity) for research and industrial use. Ideal for energy storage innovation, corrosion inhibition studies, and specialty chemical synthesis.

Properties

• CAS Number: 15587-24-3
• Complexity: 65.9
• IUPAC Name: sodium;difluorophosphinate
• InChI: InChI=1S/F2HO2P.Na/c1-5(2,3)4;/h(H,3,4);/q;+1/p-1
• InChI Key: KBVUALKOHTZCGR-UHFFFAOYSA-M
• Exact Mass: 123.95016684
• Molecular Formula: F2NaO2P
• Molecular Weight: 123.959
• SMILES: [O-]P(=O)(F)F.[Na+]
• Topological: 40.1
• Monoisotopic Mass: 123.95016684
• Synonyms: sodium difluorophosphate, sodium;difluorophosphinate, 15587-24-3, SCHEMBL576812, KBVUALKOHTZCGR-UHFFFAOYSA-M

Application

Sodium difluorophosphate is primarily employed as an electrolyte additive in sodium-ion batteries, where it improves electrode passivation and reduces interfacial resistance. It enhances thermal stability and cycling performance in high-voltage battery systems. Researchers also explore its utility in corrosion-resistant coatings and as a precursor for fluorinated phosphates.

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