| 名 稱 |
分子式 |
分子量 |
氣體常
數(shù)R
 |
密度ρ0kg/cm3 |
相對(duì)密
度在0℃ |
沸點(diǎn)TbK |
比熱比X
在20℃ |
臨 界 點(diǎn) |
| 在0℃ |
在20℃ |
溫度
TcK |
壓力Pc
kgf/cm2 |
密度ρc
kg/m3 |
| 空 氣 |
|
28.96 |
29.28 |
1.2928 |
1.205 |
1.00 |
78.8 |
1.4* |
132.42～
132.52 |
38.4 |
328～320 |
| 氮 |
N2 |
28.0134 |
30.27 |
1.2506 |
1.165 |
0.9673 |
77.35 |
1.4* |
126.1 |
34.6 |
312 |
| 氧 |
O2 |
31.9988 |
26.5 |
1.4289 |
1.331 |
1.1053 |
90.17 |
1.397* |
154.78 |
51.7 |
426.5 |
| 氬 |
Ar |
39.948 |
21.23 |
1.7840 |
|
1.38 |
87.291 |
1.68 |
150.7 |
49.6 |
535 |
| 氖 |
Ne |
20.183 |
42.02 |
0.9000 |
|
0.6962 |
27.09 |
1.68 |
44.4 |
27.8 |
483 |
| 氦 |
He |
4.003 |
211.84 |
0.17847 |
|
0.1380 |
4.215 |
1.66 |
5.199 |
2.34 |
69 |
| 氪 |
Kr |
83.80 |
10.12 |
3.6431 |
|
2.818 |
119.79 |
1.67 |
209.4 |
56.1 |
909 |
| 氙 |
Xe |
131.30 |
6.46 |
5.89 |
|
4.53 |
165.02 |
1.666 |
289.75 |
59.9 |
1105 |
| 氫 |
H2 |
2.016 |
420.63 |
0.08988 |
0.084 |
0.06952 |
20.38 |
1.412* |
32.976 |
13.2 |
31.45 |
| 甲 烷 |
CH4 |
16.043 |
52.86 |
0.7167 |
0.668 |
0.5544 |
111.7 |
1.315* |
190.7 |
47.3 |
162 |
| 乙 烷 |
C2H6 |
30.07 |
28.20 |
1.3567 |
1.263 |
1.0494 |
184.52 |
1.18* |
305.45 |
49.8 |
203 |
| 丙 烷 |
C3H8 |
44.097 |
19.23 |
2.005 |
1.867 |
1.5509 |
231.05 |
1.33* |
369.95 |
43.4 |
220 |
| 正丁烷 |
C4H10 |
58.124 |
14.59 |
2.703 |
|
2.091 |
272.65 |
1.10* |
425.15 |
38.71 |
228 |
| 異丁烷 |
C4H10 |
58.124 |
14.59 |
2.675 |
|
2.0692 |
261.45 |
1.11* |
408.15 |
37.2 |
222 |
| 正戊烷 |
C5H12 |
72.151 |
11.75 |
3.215 |
|
2.4869 |
309.25 |
1.07* |
469.75 |
34.37 |
244 |
| 乙 烯 |
C2H4 |
28.054 |
30.23 |
1.2604 |
1.174 |
0.975 |
169.45 |
1.22 |
283.05 |
51.6 |
227 |
| 丙 烯 |
C3H6 |
42.081 |
20.15 |
1.914 |
1.784 |
1.48 |
225.45 |
1.15* |
365.05 |
47.1 |
233 |
| 丁烯-1 |
C4H8 |
56.108 |
15.11 |
2.500 |
|
1.9338* |
266.85 |
1.11* |
419.15 |
40.90 |
233 |
| 順丁烯-2 |
C4H8 |
56.108 |
15.11 |
2.500 |
|
1.9338* |
276.85 |
1.1214* |
433.15 |
42.89 |
238 |
| 反丁烯-2 |
C4H8 |
56.108 |
15.11 |
2.500 |
|
1.9338* |
274.05 |
1.1073* |
428.15 |
41.89 |
238 |
| 異丁烯 |
C4H8 |
56.108 |
15.11 |
2.500 |
|
1.9338 |
266.25 |
1.1058* |
417.85 |
40.77 |
234 |
| 乙炔 |
C2H2 |
26.038 |
32.57 |
1.1717 |
1.091 |
0.9063 |
189.13
(升華) |
1.24 |
309.15 |
63.7 |
231 |
| 苯 |
C6H6 |
78.114 |
10.86 |
3.3 |
|
2.553 |
353.25 |
1.101 |
562.15 |
50.19 |
304 |
| 一氧化碳 |
CO |
28.0106 |
30.27 |
1.2504 |
1.165 |
0.9672 |
81.65 |
1.395 |
132.92 |
35.6 |
301 |
| 二氧化碳 |
CO2 |
44.00995 |
19.72 |
1.977 |
1.842 |
1.5291 |
194.75
(升華) |
1.295 |
304.19 |
75.28 |
468 |
| 一氧化氮 |
NO |
30.0061 |
28.26 |
1.3401 |
|
1.0366 |
121.45 |
1.4 |
179.15 |
66.1 |
52 |
| 二氧化氮 |
NO2 |
46.0055 |
18.43 |
2.055 |
|
1.59 |
294.35 |
1.31 |
431.35 |
103.3 |
570 |
| 一氧化二氮 |
N2O |
44.0128 |
19.72 |
1.9781 |
|
1.530 |
184.69 |
1.274 |
309.71 |
74.1 |
457 |
| 硫化氫 |
H2S |
34.07994 |
24.88 |
1.539 |
1.434 |
1.1904 |
212.85 |
1.32 |
373.55 |
91.8 |
373 |
| 氫氰酸 |
HCN |
27.0258 |
31.38 |
1.2246 |
|
0.947
(3C) |
298.85 |
1.31
(65℃) |
456.65 |
54.8 |
200 |
| 氧硫化碳 |
COS |
60.0746 |
14.12 |
2.721 |
|
2.105 |
222.95 |
|
378.15 |
63 |
|
| 臭 氧 |
03 |
47.9982 |
17.67 |
2.144 |
|
1.658 |
161.25 |
|
261.05 |
69.2 |
537 |
| 二氧化硫 |
SO2 |
64.0628 |
13.24 |
2.927 |
2.726 |
2.264 |
263.15 |
1.25 |
430.62 |
80.4 |
524 |
| 氟 |
F2 |
37.9968 |
22.32 |
1.695 |
|
1.31 |
85.03 |
1.358 |
172.15 |
56.8 |
473 |
| 氯 |
Cl2 |
70.906 |
11.96 |
3.214 |
3.00 |
2.486 |
238.55 |
1.35 |
417.15 |
78.6 |
573 |
| 氯甲烷 |
CH3Cl |
50.488 |
16.8 |
2.3044 |
|
1.782 |
249.39 |
1.28 |
416.15 |
68.1 |
353 |
| 氯乙烷 |
C5H2Cl |
64.515 |
13.14 |
2.870 |
|
2.22 |
285.45 |
1.19 |
455.95 |
53.7 |
330 |
| 氨 |
NH3 |
17.0306 |
49.79 |
0.771 |
0.719 |
0.5964 |
239.75 |
1.32 |
405.65 |
115.0 |
235 |
| 氟里昂-11 |
CCl3F |
137.3686 |
6.17 |
6.20 |
|
4.8 |
296.95 |
1.135 |
471.15 |
44.6 |
554 |
| 氟里昂-12 |
CCl2F2 |
120.914 |
7.01 |
5.39 |
|
4.17 |
243.35 |
1.138 |
385.15 |
40.0 |
558 |
| 氟里昂-13 |
CClF3 |
104.4594 |
8.12 |
4.654 |
|
3.6 |
191.75 |
1.150
(10℃) |
302.05 |
39.4 |
578 |
| 氟里昂-13 |
CC12F
CC1F2 |
187.3765 |
4.53 |
8.274 |
|
6.4 |
320.75 |
|
487.25 |
34.80 |
576 |
注：1.—15.6℃時(shí)的值。1mmHg=133Pa。 1kg/cm2=0.1MPa。
2.密度、沸點(diǎn)、比熱比在760mmHg下
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