Phosphine (PH3)
DESCRIPTION (Phosphine):
Phosphine is a colorless, flammable, toxic
gas with a fish like odor. Typical uses are as a doping gas in the semi-conductor
industry.
PHYSICAL CONSTANTS
(Phosphine):
| Molecular Weight: |
34.00 |
| Vapor Pressure @ 70° F.: |
592.7 psig |
| Specific Volume @ 70° F., 1
atm.: |
11.4 cu.ft/lb |
| Boiling Point @ 1.0 atm. : |
-125.93 ° F |
| Freezing Point @ 1 atm. : |
-208.8 ° F |
| Specific Gravity, Gas @
20° C., 1 atm. : |
1.146 |
| Density, Liquid @ -90 ° C: |
0.746 g/L |
| Critical Temperature: |
124.34 ° F |
| Critical Pressure: |
948.15 psia |
| Latent Heat of Sublimation: |
3.489 kcal/mol |
| Latent Heat of Fusion @ m.p. |
0.270 kcal/mol |
| Specific Heat of Gas @ 25° C,
1 atm.: CP |
0.261 cal/(g)(° C) |
| Solubility in Water @ 17° C., 1 atm. : |
26cc/100cc water |
CYLINDER CONNECTIONS (Phosphine):
Standard CGA V-1 Cylinder Connection: CGA 350
Standard CGA V-1 Cylinder Connection Ultra High Integrity: CGA 632 |
