CFC Properties R-12

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Dichlorodifluoromethane

CCl2F2

CAS REGISTRY NUMBER:

75-71-8

ASHRAE Number R-12
Molecular weight 120.9
Boiling Point, 1 atm., F, (C) -21.6 (-29.8)
Freezing point, 1 atm., F, (C) -25.2 (-32)
Critical temperature, F, (C) 234 (112)
Critical pressure, psia, (kg/cm2) 597 (42)
Saturated liquid density,86F (30C), lb/ft3 , (kg/m3) 80.7 (1292.7)
Specific heat of liquid, 86F, (30C), BTU/lb*F 0.24
Flammable range, % ASHRAE  None

Last edited on:     

July 06, 2006

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