The Cerenkov Gas
The Cerenkov Gas used was Freon 114, 1,2 dichlorotetrafluoroethane, C2Cl2F4,
which has the following properties:
Molecular Weight: 170.92 g/mole (1)
Density (300K, 1atm): 6.94 g/l (2)
Boiling point: 276.2K (1)
Critical temp: 419K (1)
Radiation length: 34m (2)
Index of refraction: 1.00153 for Cerenkov light wavelengths
(1) CRC (1992-3), pp. 6-53, 6-55, 3-234, 3-133.
(2) Calculated by DW.