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Product Name:R245fa

HFC-245fa is known as pentafluoropropane and by its chemical name 1,1,1,3,3,-pentafluoropropane. Unlike CFC and HCFC blowing agents formerly used for this purpose, it has no ozone depletion potential and is nearly non-toxic. Although it is intended to remain trapped within the foam insulation, it is practically non biodegradable with a lifetime of 7.2 years when it eventually does escape into the atmosphere. It does have a high GWP of 950 (950 times the global warming effect of CO2)


ASHRAE # R-245fa
Class HFC
Refrigerant Type Single Component Fluid
Typical Lubricant Synthetic (P)E, PVE, etc.)
Substitutes CFC-11
Notes Equipment redesign, ORC heat transfer fluid


Chemical Name Pentafluoropropane
Chemical Notation CF3CH2CHF2
Molecular Weight (lbm/lbmol) 134
Boiling Point @ 1 Atm, (°F) 58.8
Freezing Point @ 1 Atm, (°F) -160
Critical Temperature (°F) (ASTM D-1321) 309.29
Critical Pressure* (psia) 527.94
Saturated Liquid Density @ 86°F, (lb/ft3) 82.7
Specific Heat of Liquid @ 86°F, (Btu/lb•°F) 0.32
Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F) 0.2
Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) None
ANSI/ASHRAE Standard 34-1992 Safety Group Classification B1

Add:Weisan East Rd., Hangzhou Bay Fine Chemical Zone, Shangyu city, Zhejiang province, China
Tel: 0086-575-82739711 Fax: 0086-575-82739282 Post Code: 312369
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