Methyldiphenylphosphine sulfide
CAS: 13639-74-2
Category: Organosulfur Compounds
| Purity | Reagent Grade ≥98.0%, High-Purity Grade ≥99.0% |
| Molecular Formula | C13H13PS |
| Molecular Weight | 232.28 |
| Appearance | Colorless oil or white to off-white solid |
| Packaging | 1g, 5g, 25g, 100g in glass vials under inert gas |
| Testing Indicators | Appearance — Visual inspection; Identification — FTIR (P=S stretch ~600-640 cm⁻¹) and ¹H/³¹P NMR; Purity — HPLC or GC-FID (Area normalization); Melting point — Capillary method (if solid); Moisture — Karl Fischer titration (GB/T 6283). |
| Storage Notes | Store in a cool, dry, well-ventilated area away from heat. Keep container tightly sealed and stored under inert gas (nitrogen or argon) to prevent oxidation. Refrigeration (sealed, dry) is recommended for long-term stability. |
| Lead Time | 10 days |
Used as a stable phosphine sulfide ligand in coordination chemistry and organometallic catalysis. Serves as a precursor for the synthesis of other organophosphorus compounds and can be reduced to generate the parent phosphine (Methyldiphenylphosphine) for organic synthesis.