Phosphine
Formula: PH3
Phosphine is a colorless, flammable, toxic gas.
Applications
Specifications
Further Specifications
Cylinder Sizes
- Mainly consumed as an intermediate in organophosphorus chemistry
- Small amounts are used as a dopant in the semiconductor industry
| Grade 5.7 | Grade 5.8 | Grade 6 | |
|---|---|---|---|
| Purity | 99.9997% | 99.9998% | 99.9999% |
| Nitrogen | < 1 ppmv | < 1 ppmv | < 100 ppbv |
| Oxygen | < 0.1 ppmv | < 0.1 ppmv | < 100 ppbv |
| Carbon Dioxide | < 0.1 ppmv | < 0.1 ppmv | < 100 ppbv |
| Carbon Monoxide | < 0.1 ppmv | < 0.1 ppmv | < 50 ppbv |
| Methane | < 0.1 ppmv | < 0.1 ppmv | < 100 ppbv |
| Water | < 1 ppmv | < 0.5ppmv | < 100 ppbv |
| Argon | < 100 ppbv | ||
| Arsine | < 0.1 ppmv | < 50 ppbv | |
| Germane | < 50 ppbv | ||
| Hydrogen Sulfide | < 50 ppbv | ||
| Silane | < 50 ppbv |
| Chemical & Physical Properties | |
|---|---|
| Molecular Weight | 33.99 |
| Specific Volume | 11.4 cu.ft/lb |
| Pressure @ 70° F | 594 psig |
| Valve Outlet | CGA 350 DISS 632 |
| Shipping Information | |
|---|---|
| DOT Name | Phosphine |
| Hazard Class | 2.3 |
| DOT No. | UN 2199 |
| DOT Label | Poison Gas, Flammable Gas |
| CAS No. | 7803-51-2 |
| Cylinder Size | Fill Weight (lbs) |
|---|---|
| 44L/Size 200 | 40 |
| 265 AL | 40 |
**Moisture level guaranteed only when Electronic Fluorocarbons prepares the cylinders.
All concentrations are on a mol/mol basis unless otherwise stated.
Product sold on the basis of total impurities. Individual impurities may vary slightly.
*This gas not available for purchase online.