> Return to SRD 134, Index of Semiconductor Process Gases
|
HYDROGEN
|
M.W. [1]
2.0159
|
N.B.P [1]
20.390 K
|
T.P [1]
13.957 K
|
|
H2
|
Pc [1]
1.3150 MPa
|
Tc [1]
33.190 K
|
Vc [1]
0.066934 m3/kmol
|
Note: In the tables, #RED is used for properties obtained from estimation methods. *,†Other colors are used to distinguish between differing data sets within a single column. If no uncertainty is specified, then no uncertainty was provided by the reference.
|
T
K
|
|
Vapor Pressure
MPa
|
B(T)
cm3·mol-1
|
dB/dT·T
cm3·mol-1
|
C(T)
cm6·mol-2
|
dC/dT·T
cm6·mol-2
|
λ
mW/(m·K)
|
η
µPa·s
|
|
Estimated
Uncertainty
|
3%
|
-
|
Densities calculated should be good to 0.5% away from coexistence curve.
|
10%
|
4%
|
|
Reference
|
1
|
-
|
1
|
1
|
1
|
1
|
1
|
1
|
|
200
|
3.281
|
-
|
11.89
|
11.17
|
242.28
|
-
|
132.27
|
6.78
|
|
210
|
3.312
|
-
|
12.42
|
10.28
|
237.44
|
-
|
138.19
|
7.01
|
|
220
|
3.340
|
-
|
12.87
|
9.47
|
233.41
|
-
|
143.91
|
7.24
|
|
230
|
3.365
|
-
|
13.28
|
8.74
|
230.02
|
-
|
149.55
|
7.46
|
|
240
|
3.387
|
-
|
13.64
|
8.07
|
227.16
|
-
|
155.09
|
7.68
|
|
250
|
3.405
|
-
|
13.95
|
7.46
|
224.74
|
-
|
160.44
|
7.90
|
|
260
|
3.422
|
-
|
14.24
|
6.90
|
222.70
|
-
|
165.70
|
8.12
|
|
270
|
3.437
|
-
|
14.49
|
6.38
|
220.98
|
-
|
170.87
|
8.33
|
|
280
|
3.449
|
-
|
14.71
|
5.91
|
219.50
|
-
|
175.85
|
8.54
|
|
290
|
3.460
|
-
|
14.91
|
5.47
|
218.25
|
-
|
180.84
|
8.75
|
|
300
|
3.469
|
-
|
15.09
|
5.06
|
217.19
|
-
|
185.63
|
8.95
|
|
310
|
3.477
|
-
|
15.25
|
4.68
|
216.28
|
-
|
190.43
|
9.15
|
|
320
|
3.484
|
-
|
15.39
|
4.33
|
215.52
|
-
|
195.04
|
9.35
|
|
330
|
3.490
|
-
|
15.52
|
4.00
|
214.86
|
-
|
200.16
|
9.55
|
|
340
|
3.495
|
-
|
15.63
|
3.69
|
214.30
|
-
|
205.18
|
9.75
|
|
350
|
3.498
|
-
|
15.74
|
3.40
|
213.86
|
-
|
210.20
|
9.94
|
|
360
|
3.502
|
-
|
15.83
|
3.13
|
213.45
|
-
|
215.14
|
10.14
|
|
370
|
3.504
|
-
|
15.91
|
2.88
|
213.15
|
-
|
219.78
|
10.33
|
|
380
|
3.506
|
-
|
15.98
|
2.64
|
212.87
|
-
|
224.63
|
10.52
|
|
390
|
3.508
|
-
|
16.05
|
2.41
|
212.62
|
-
|
229.28
|
10.70
|
|
400
|
3.509
|
-
|
16.11
|
2.20
|
212.46
|
-
|
233.94
|
10.89
|
|
410
|
3.510
|
-
|
16.16
|
2.00
|
212.31
|
-
|
238.11
|
11.07
|
|
420
|
3.511
|
-
|
16.21
|
1.81
|
212.21
|
-
|
242.78
|
11.26
|
|
430
|
3.512
|
-
|
16.25
|
1.63
|
212.13
|
-
|
247.46
|
11.44
|
|
440
|
3.513
|
-
|
16.28
|
1.46
|
212.07
|
-
|
252.15
|
11.62
|
|
450
|
3.514
|
-
|
16.31
|
1.30
|
212.02
|
-
|
256.84
|
11.80
|
|
460
|
3.514
|
-
|
16.34
|
1.15
|
212.02
|
-
|
261.54
|
11.97
|
|
470
|
3.515
|
-
|
16.36
|
1.00
|
212.03
|
-
|
266.24
|
12.15
|
|
480
|
3.516
|
-
|
16.38
|
0.87
|
212.06
|
-
|
270.95
|
12.32
|
|
490
|
3.517
|
-
|
16.40
|
0.74
|
212.06
|
-
|
275.67
|
12.50
|
|
500
|
3.518
|
-
|
16.41
|
0.61
|
212.12
|
-
|
280.40
|
12.67
|
|
550
|
3.523
|
-
|
16.44
|
0.07
|
212.47
|
-
|
304.11
|
13.52
|
|
600
|
3.524
|
-
|
16.43
|
-0.37
|
212.94
|
-
|
327.99
|
14.34
|
|
650
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
700
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
750
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
800
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
850
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
900
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
950
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
1000
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
References:
- Lemmon, E.W. and McLinden, M.O., NIST Standard Reference Database 23: NIST Reference Fluid Thermodynamic and Transport Properties, Version 7.0, National Institute of Standards and Technology, Standard Reference Data Program, Gaithersburg, 2001.
Footnote:
#RED is used for properties obtained from estimation methods.
*BLUE, †ORANGE Other colors are used to distinguish between differing data sets within a single column.
Contacts:
Keith Gillis
301-975-2468
keith.gillis@nist.gov
Michael Moldover
301-975-2459
michael.moldover@nist.gov
100 Bureau Drive, M/S 8360
Gaithersburg, MD 20899-8360
