Page 45 - Mechanical Engineers' Handbook (Volume 4)

34 Thermophysical Properties of Fluids

Table 20 (Continued)
Formula, Composition, Molecular n.b.p. Crit. P Crit. T
Number Synonym Weight ( C) (bar) ( C)
R-401a R-22/124/152a (53/34/13) 94.44 33.1 46.0 108.0
R-401b R-22/124/152a (61/28/11) 92.84 34.7 46.8 106.1
R-401c R-22/124/152a (33/52/15) 101.04 28.4 43.7 112.7
R-402a R-22/125/290 (38/60/2) 101.55 49.2 41.3 75.5
R-402b R-22/125/290 (60/38/2) 94.71 47.4 44.5 82.6
R-403a R-22/218/290 (75/20/5) 91.06 50.0 50.8 93.3
R-403b R-22/218/290 (56/39/5) 102.06 49.5 50.9 90.0
R-404a R-125/134a/143a (44/4/52) 97.60 46.5 37.3 72.1
R-405a R-22/142b/152a/C318 (45/5/ 116.00 27.3 42.6 106.1
7/43)
R-406a R-22/142b/600a (55/41/4) 89.85 30.0 47.4 123.0
R-407a R-32/125/134a (20/40/40) 90.10 45.5 45.4 82.8
R-407b R-32/125/134a (10/70/20) 102.94 47.3 41.6 75.8
R-407c R-32/125/134a (23/25/52) 86.20 43.6 46.2 86.7
R-408a R-22/125/143a (47/7/46) 87.02 43.5 43.4 83.5
R-409a R-22/124/142b (60/25/15) 97.45 34.2 45.0 107.0
R-410a R-32/125 (50/50) 72.56 50.5 49.6 72.5
R-410b R-32/125 (45/55)
R-411a R-22/152a/1270 (88/11/2)
R-411b R-22/152a/1270 (94/3/3)
R-412a R-22/142b/218 (70/25/5)
R-500 R-12/152a (74/26) 99.31 33.5 44.2 105.5
R-501 R-12/22 (25/75)
R-502 R-22/115 (49/51) 111.64 45.4 40.8 82.2
R-503 R-13/23 (60/40) 87.28 87.8 43.6 19.5
R-504 R-32/115 (48/52) 79.2 57.2 47.6 66.4
R-505 R-12/31 (78/22) 103.5 30
R-506 R-31/114 (55/45) 93.7 12
R-507 R-125/143a (50/50) 98.90 46.7 37.9 70.9
R-508 R-23/116 (39/61) 100.10 85.7 23.1
R-509 R-22/218 (44/56) 124.0 47
R-600 CH 3 CH 2 CH 2 CH 3 (butane) 58.13 0.4 38.0 152.0
R-600a CH 3 CH 3 CH 3 CH (isobutane) 58.13 11.7 36.5 135.0
R-610 C 4 H 10 O (ethyl ether) 74.12 116.3 36.0 194.0
R-611 C 2 H 4 O 2 (methyl formate) 60.05 31.8 59.9 204
630 CH 3 NH (methyl amine) 31.06 6.7 74.6 156.9
631 C 2 H 5 NH 2 (ethyl amine) 45.08 16.6 56.2 183.0
702 H 2 (hydrogen) 2.016 252.8 13.2 239.9
702p Parahydrogen 2.016 252.9 12.9 240.2
704 He (helium) 4.003 268.9 2.3 267.9
717 NH 3 (ammonia) 17.03 33.3 114.2 133.0
718 H 2 O (water) 18.02 100.0 221.0 374.2