Refrigerant

Chemical

Formula

Tc

(˚C)

pc

(bar)

Mw

(gr/mol)

Tn,b

(˚C)

Depletion

Safety Group*

ODP

GWP

R-123

CHCl2CF3

183.68

36.618

152.93

27.82

0.02

77

B1

R-1233zd-E

CF3CH=CHCl

166.45

36.237

130.496

18.26

0.00034

7

A1

R-245fa

CHF2CH2CF3

153.86

36.51

134.048

15.05

0

1030

B1

R-1234ze-E

CF3CH=CFH

109.36

36.349

114.053

−18.97

0

<1

A2L

R-134a

CH2FCF3

101.06

40.593

102.0

−26.07

0.005

1430

A1

R-290

C3H8

96.67

42.359

44.1

−42.09

0

3.3

A2