Tricyclohexylphosphonium tetrafluoroborate
CAS: 58656-04-5
Category: Organic Intermediates
| Purity | ≥98.0%; ≥99.0% (HPLC) |
| Molecular Formula | C18H34PBF4 |
| Molecular Weight | 392.24 |
| Appearance | White to off-white crystalline powder |
| Packaging | 1 g, 5 g, 10 g, 25 g, 100 g fluorinated bottle or amber glass bottle; laboratory and industrial bulk packaging available under inert atmosphere |
| Testing Indicators | Appearance — Visual inspection; Identification — 1H NMR, 13C NMR and 31P NMR; Molecular identity — HRMS/ESI-MS; Purity — HPLC or quantitative 31P NMR; Tetrafluoroborate identification — 19F NMR and FTIR; Water content — Karl Fischer titration (GB/T 6283); Residual solvents — GC (USP <467>); Melting point — Capillary melting point determination; Elemental analysis — CHN; Metal impurities — ICP-OES or ICP-MS. |
| Storage Notes | Store in a cool, dry, well-ventilated place. Keep the container tightly closed under nitrogen or argon. Protect from moisture, humid air, and direct sunlight. Avoid contact with strong oxidizing agents, strong bases, and prolonged heating. Recommended storage temperature: 2–8°C for long-term storage. |
| Lead Time | 10 days |
A phosphonium tetrafluoroborate salt widely used as a precursor for the preparation of tricyclohexylphosphine, transition-metal phosphine catalyst systems, and organophosphorus intermediates. Commonly employed in homogeneous catalysis, ligand synthesis, cross-coupling catalyst development, fine chemical synthesis, and pharmaceutical process research.