|
Empirical formula
|
CF3-CHF-CF3
|
|
Chemical name
|
1,1,1,2,3,3,3-Heptafluoropropane
|
|
Ashrae name
|
HFC227ea
|
|
Molecular weight
|
170.03
|
|
Boiling point
|
-16.36°C
|
|
Freezing point
|
-131°C
|
|
Critical temperature
|
101.7°C
|
|
Critical pressure
|
2912 Kpa
|
|
Critical density
|
621 ml/mole
|
|
Viscosity liquid(25°C)
|
0.226 Cp
|
|
Vapor pressure(25°C)
|
457.7 Kpa
|
|
Liquid density at 70F
|
87.58 lb/ft3
|
|
Vapor pressure at 70F
|
58.8 psia
|
|
Ozone depleting potential
|
0
|
|
Atmospheric lifetime
|
31-42 years
|
|
Item
|
|
|
Appearance:
|
colorless liquefied gas
|
|
Assay by GC:
|
99.9% min.
|
|
Moisture:
|
10 ppm max.
|
|
Acidity as HF:
|
3 ppm max. (typically less than 1 ppm)
|
|
Non-volatile Residue:
|
0.05 mg/100ml max.
|