150
Md. A. Islam and B. B. Saha
Table 9.1
(continued)
R22
R32
R134a
R404A
R410A
R717
R718
Methanol
Latent heat of
evaporation at
25 °C (kJ/kg)
(Lemmon
et al. 2018)
182.74
270.91
177.79
138.99
190.6
1165.8
2441.7 1169.0
ASHRAE
safety group
(Kohler et al.
2016)
A1
A2L
A1
A1
A1
B2L
A1
N/A
Flammability
(Kohler et al.
2016)
No
Yes (mild)
No
No
No
Yes (mild) No
Yes (Machiele
1987)
Toxicity
(Kohler et al.
2016)
No
No
No
No
No
Yes
No
Yes (Machiele
1987)