CONCOA Precision Gas Controls

Silane (SiH4)
DESCRIPTION (Silane):


Silane is a colorless, gas with repulsive odor. It is stable indefinitely at room temperature in metal containers. It is spontaneously flammable in air. It is shipped in steel cylinders at a pressure of 500 psig at 70° F.

PHYSICAL CONSTANTS (Silane):

Molecular Weight: 32.112
Specific Volume @ 70° F., 1 atm.: 12.0 cu.ft/lb
Boiling Point @ 1.0 atm. : -169.6 ° F
Freezing Point @ 1 atm. : -301.0 ° F
Density, Gas @ 0° C., 1 atm. : 1.44 g/l
Density, Liquid @ -185 ° C: 0.68 g/ml
Critical Temperature: 24.8 ° F
Critical Pressure: 702.7 psia
Heat Capacity, Gas @ 25° C, 1 atm.: 10.24 cal/mol(° C)
Viscosity, Gas @ 15° C, 1 atm. 112.4 micropoises
Heat of Formation, Gas @ 25° C: 7.3&plusmn 0.3 kcal/mole

CYLINDER CONNECTIONS (Silane):

Standard CGA V-1 Cylinder Connection up to 500 psig: CGA 510