Phosphorus fluoride
CAS: 7783-55-3
Category: Inorganic Chemicals
| Purity | Industrial Grade ≥99.0%; High-Purity Grade ≥99.9%; Semiconductor Grade ≥99.999% |
| Molecular Formula | PF3 |
| Molecular Weight | 87.97 |
| Appearance | Colorless, toxic, corrosive gas with a pungent odor similar to garlic; usually supplied as a compressed liquefied gas. |
| Packaging | Steel cylinders, high-pressure gas cylinders, or specialty fluorine-resistant alloy containers; typical laboratory packages include 1 L, 5 L, or 10 L cylinders. |
| Testing Indicators | Appearance — Visual inspection; Purity — Gas chromatography (GC-TCD or GC-FID); Identification — FTIR or Raman spectroscopy; Phosphorus content — ICP-OES/ICP-MS; Fluorine content — Ion chromatography; Moisture — Karl Fischer coulometric titration; Trace metal impurities — ICP-MS; Residual oxygen/nitrogen impurities — GC analysis; Cylinder pressure and filling inspection according to compressed gas standards. |
| Storage Notes | Store in a cool, dry, well-ventilated gas storage area. Keep containers tightly closed and secured upright. Protect from heat, moisture, and direct sunlight. Storage areas should be equipped with appropriate gas detection and ventilation systems. Keep away from water, oxidizers, and incompatible materials. |
| Lead Time | 10 days |
Phosphorus fluoride (Phosphorus trifluoride, PF3) is an inorganic phosphorus halide compound mainly used as a specialized reagent in chemical synthesis, fluorination chemistry, and as a ligand in organometallic chemistry. It is also used in research involving metal-phosphorus complexes and semiconductor-related chemical processes.