tert-Butyldiphenylphosphine
CAS: 6002-34-2
Category: Organic Intermediates
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99% |
| Molecular Formula | C16H19P |
| Molecular Weight | 242.30 |
| Appearance | Colorless to pale yellow liquid or low-melting solid with characteristic phosphine odor |
| Packaging | 100 g, 500 g, or 1 kg glass bottle with nitrogen protection; bulk quantities packed in sealed fluorinated polyethylene containers or nitrogen-filled metal drums |
| Testing Indicators | Appearance — Visual inspection; Identification — FTIR spectroscopy and 1H NMR spectroscopy; Molecular structure confirmation — LC-MS or HRMS; Purity — GC-FID or HPLC; Phosphorus content — ICP-OES; Water content — Karl Fischer titration; Oxidation impurity (phosphine oxide) — HPLC analysis; Residual solvents — GC analysis (ICH Q3C). |
| Storage Notes | Store in a cool, dry, well-ventilated area away from moisture, heat, and direct sunlight. Keep container tightly sealed under inert atmosphere such as nitrogen or argon. Avoid exposure to air for extended periods. Keep away from strong oxidizing agents and acids. |
| Lead Time | 10 days |
Used as an organophosphorus ligand and synthetic intermediate in transition-metal catalysis. It is commonly applied in palladium-catalyzed cross-coupling reactions, carbon-carbon bond formation, pharmaceutical intermediate synthesis, and preparation of functional organic materials.