| 
				 名称  | 
			
				 化学式  | 
			
				 分子量  | 
			
				 气体常数R  | 
			
				 密度ρ  | 
			
				 沸点Tb  | 
			
				 比热比χ  | 
			
				 临 界点  | 
		||
| 
				 kg .m  | 
			
				 (kg/m3)  | 
			
				 K(在760  | 
			
				 (在20℃及  | 
			
				 温度Tc (K)  | 
			
				 压力Pc (kgf/cm2)  | 
			
				 密度ρc (kg/m3)  | 
		|||
| 
				 kg .K  | 
			
				 标态  | 
			
				 mm Hg下)  | 
			
				 760mmHg下)  | 
		||||||
| 
				 空气  | 
			
				 
					  | 
			
				 28.96  | 
			
				 29.28  | 
			
				 1.2928  | 
			
				 78.8  | 
			
				 1.4*  | 
			
				 132.42~  | 
			
				 38.4  | 
			
				 328~  | 
		
| 
				 (干)  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 132.52  | 
			
				 
					  | 
			
				 320  | 
		
| 
				 氮  | 
			
				 N2  | 
			
				 28.0134  | 
			
				 30.27  | 
			
				 1.2506  | 
			
				 77.35  | 
			
				 1.4*  | 
			
				 126.1  | 
			
				 34.6  | 
			
				 312  | 
		
| 
				 氧  | 
			
				 O2  | 
			
				 31.9988  | 
			
				 26.5  | 
			
				 1.4289  | 
			
				 90.17  | 
			
				 1.397*  | 
			
				 154.78  | 
			
				 51.7  | 
			
				 426.5  | 
		
| 
				 氩  | 
			
				 Ar  | 
			
				 39.948  | 
			
				 21.23  | 
			
				 1.7840  | 
			
				 87.291  | 
			
				 1.68  | 
			
				 150.7  | 
			
				 49.6  | 
			
				 535  | 
		
| 
				 氖  | 
			
				 Ne  | 
			
				 20.183  | 
			
				 42.02  | 
			
				 0.9000  | 
			
				 27.09  | 
			
				 1.68  | 
			
				 44.4  | 
			
				 27.8  | 
			
				 483  | 
		
| 
				 氦  | 
			
				 He  | 
			
				 4.003  | 
			
				 211.84  | 
			
				 0.17847  | 
			
				 4.215  | 
			
				 1.66  | 
			
				 5.199  | 
			
				 2.34  | 
			
				 69  | 
		
| 
				 氪  | 
			
				 Ke  | 
			
				 83.80  | 
			
				 10.12  | 
			
				 3.6431  | 
			
				 119.79  | 
			
				 1.67  | 
			
				 209.4  | 
			
				 56.1  | 
			
				 909  | 
		
| 
				 氙  | 
			
				 Xe  | 
			
				 131.30  | 
			
				 6.46  | 
			
				 5.89  | 
			
				 165.02  | 
			
				 1.666  | 
			
				 289.75  | 
			
				 59.9  | 
			
				 1105  | 
		
| 
				 氢  | 
			
				 H2  | 
			
				 2.016  | 
			
				 420.63  | 
			
				 0.08988  | 
			
				 20.38  | 
			
				 1.412*  | 
			
				 32.976  | 
			
				 13.2  | 
			
				 31.45  | 
		
| 
				 甲烷  | 
			
				 CH4  | 
			
				 16.043  | 
			
				 52.86  | 
			
				 0.7167  | 
			
				 111.7  | 
			
				 1.315*  | 
			
				 190.7  | 
			
				 47.3  | 
			
				 162  | 
		
| 
				 乙烷  | 
			
				 C2H6  | 
			
				 30.07  | 
			
				 28.20  | 
			
				 1.3567  | 
			
				 184.52  | 
			
				 1.18*  | 
			
				 305.45  | 
			
				 49.8  | 
			
				 203  | 
		
| 
				 丙烷  | 
			
				 C3H8  | 
			
				 44.097  | 
			
				 19.23  | 
			
				 2.005  | 
			
				 231.05  | 
			
				 1.13*  | 
			
				 369.95  | 
			
				 43.4  | 
			
				 220  | 
		
| 
				 正丁烷  | 
			
				 C4H10  | 
			
				 58.124  | 
			
				 14.59  | 
			
				 2.703  | 
			
				 272.65  | 
			
				 1.10*  | 
			
				 425.15  | 
			
				 38.71  | 
			
				 228  | 
		
| 
				 异丁烷  | 
			
				 C4H10  | 
			
				 58.124  | 
			
				 14.59  | 
			
				 2.675  | 
			
				 261.45  | 
			
				 1.11*  | 
			
				 408.15  | 
			
				 37.2  | 
			
				 222  | 
		
| 
				 正戊烷  | 
			
				 C5H12  | 
			
				 72.151  | 
			
				 11.75  | 
			
				 3.215  | 
			
				 309.25  | 
			
				 1.07*  | 
			
				 469.75  | 
			
				 34.37  | 
			
				 244  | 
		
| 
				 乙烯  | 
			
				 C2H4  | 
			
				 28.054  | 
			
				 30.23  | 
			
				 1.2604  | 
			
				 169.45  | 
			
				 1.22*  | 
			
				 283.05  | 
			
				 51.6  | 
			
				 227  | 
		
| 
				 丙烯  | 
			
				 C3H6  | 
			
				 42.081  | 
			
				 20.15  | 
			
				 1.914  | 
			
				 225.45  | 
			
				 1.15*  | 
			
				 365.05  | 
			
				 47.1  | 
			
				 233  | 
		
| 
				 丁烯-1  | 
			
				 C4H8  | 
			
				 56.108  | 
			
				 15.11  | 
			
				 2.500  | 
			
				 266.85  | 
			
				 1.11*  | 
			
				 419.15  | 
			
				 40.99  | 
			
				 233  | 
		
| 
				 顺丁烯-2  | 
			
				 C4H8  | 
			
				 56.108  | 
			
				 15.11  | 
			
				 2.500  | 
			
				 276.85  | 
			
				 1.1214*  | 
			
				 433.15  | 
			
				 42.89  | 
			
				 238  | 
		
| 
				 反丁烯-2  | 
			
				 C4H8  | 
			
				 56.108  | 
			
				 15.11  | 
			
				 2.500  | 
			
				 274.05  | 
			
				 1.1073*  | 
			
				 428.15  | 
			
				 41.83  | 
			
				 238  | 
		
| 
				 异丁烯  | 
			
				 C4H8  | 
			
				 56.108  | 
			
				 15.11  | 
			
				 2.500  | 
			
				 266.25  | 
			
				 1.1058*  | 
			
				 417.85  | 
			
				 40.77  | 
			
				 234  | 
		
| 
				 乙炔  | 
			
				 C2H2  | 
			
				 26.038  | 
			
				 32.57  | 
			
				 1.1717  | 
			
				 189.13升华  | 
			
				 1.24  | 
			
				 309.15  | 
			
				 63.7  | 
			
				 231  | 
		
| 
				 苯  | 
			
				 C6H6  | 
			
				 78.114  | 
			
				 10.86  | 
			
				 3.3  | 
			
				 353.25  | 
			
				 1.101  | 
			
				 562.15  | 
			
				 50.19  | 
			
				 304  | 
		
| 
				 一氧化碳  | 
			
				 CO  | 
			
				 28.0106  | 
			
				 30.27  | 
			
				 1.2504  | 
			
				 81.65  | 
			
				 1.395  | 
			
				 132.92  | 
			
				 35.6  | 
			
				 301  | 
		
| 
				 二氧化碳  | 
			
				 CO2  | 
			
				 44.00995  | 
			
				 19.27  | 
			
				 1.977  | 
			
				 194.75升华  | 
			
				 1.295  | 
			
				 304.19  | 
			
				 75.28  | 
			
				 468  | 
		
| 
				 一氧化氮  | 
			
				 NO  | 
			
				 30.0061  | 
			
				 28.26  | 
			
				 1.3401  | 
			
				 121.45  | 
			
				 1.4  | 
			
				 179.15  | 
			
				 66.1  | 
			
				 52  | 
		
| 
				 二氧化氮  | 
			
				 NO2  | 
			
				 46.0055  | 
			
				 18.43  | 
			
				 2.055  | 
			
				 294.35  | 
			
				 1.31  | 
			
				 431.35  | 
			
				 103.3  | 
			
				 570  | 
		
| 
				 一氧化二氮  | 
			
				 N2O  | 
			
				 44.0128  | 
			
				 19.27  | 
			
				 1.9781  | 
			
				 184.69  | 
			
				 1.274  | 
			
				 309.71  | 
			
				 74.1  | 
			
				 457  | 
		
| 
				 硫化氢  | 
			
				 H2S  | 
			
				 34.07994  | 
			
				 24.88  | 
			
				 1.539  | 
			
				 212.85  | 
			
				 1.32  | 
			
				 373.55  | 
			
				 91.8  | 
			
				 373  | 
		
| 
				 氢氰酸  | 
			
				 HCN  | 
			
				 27.0258  | 
			
				 31.38  | 
			
				 1.2246  | 
			
				 298.85  | 
			
				 1.31(65℃)  | 
			
				 456.65  | 
			
				 54.8  | 
			
				 200  | 
		
| 
				 氧硫化碳  | 
			
				 COS  | 
			
				 60.0746  | 
			
				 14.12  | 
			
				 2.721  | 
			
				 222.95  | 
			
				 
					  | 
			
				 378.15  | 
			
				 63  | 
			
				 
					  | 
		
| 
				 臭氧  | 
			
				 O3  | 
			
				 47.9982  | 
			
				 17.67  | 
			
				 2.144  | 
			
				 161.25  | 
			
				 
					  | 
			
				 261.05  | 
			
				 69.2  | 
			
				 537  | 
		
| 
				 二氧化硫  | 
			
				 SO2  | 
			
				 64.0628  | 
			
				 13.24  | 
			
				 2.927  | 
			
				 263.15  | 
			
				 1.25  | 
			
				 430.65  | 
			
				 80.4  | 
			
				 524  | 
		
| 
				 氟  | 
			
				 F2  | 
			
				 37.9968  | 
			
				 22.32  | 
			
				 1.695  | 
			
				 85.03  | 
			
				 1.358  | 
			
				 172.15  | 
			
				 56.8  | 
			
				 473  | 
		
| 
				 氯  | 
			
				 Cl2  | 
			
				 70.906  | 
			
				 11.96  | 
			
				 3.214  | 
			
				 238.55  | 
			
				 1.35  | 
			
				 417.15  | 
			
				 78.6  | 
			
				 573  | 
		
| 
				 氯甲烷  | 
			
				 CH3Cl  | 
			
				 50.488  | 
			
				 16.8  | 
			
				 2.3044  | 
			
				 249.39  | 
			
				 1.28  | 
			
				 416.15  | 
			
				 68.1  | 
			
				 353  | 
		
| 
				 氯乙烷  | 
			
				 C2H5Cl  | 
			
				 64.515  | 
			
				 13.14  | 
			
				 2.870  | 
			
				 285.45  | 
			
				 1.19  | 
			
				 455.95  | 
			
				 53.7  | 
			
				 330  | 
		
| 
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 (16℃,0.3~  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
		
| 
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
			
				 0.5标准大气压)  | 
			
				 
					  | 
			
				 
					  | 
			
				 
					  | 
		
| 
				 氨  | 
			
				 NH2  | 
			
				 17.0306  | 
			
				 49.79  | 
			
				 0.771  | 
			
				 239.75  | 
			
				 1.32  | 
			
				 405.65  | 
			
				 115.0  | 
			
				 235  | 
		
| 
				 氟里昂-11  | 
			
				 CCl3F  | 
			
				 137.3686  | 
			
				 6.17  | 
			
				 6.20  | 
			
				 296.95  | 
			
				 1.135  | 
			
				 471.15  | 
			
				 44.6  | 
			
				 554  | 
		
| 
				 氟里昂-12  | 
			
				 CCl2F2  | 
			
				 120.914  | 
			
				 7.01  | 
			
				 5.39  | 
			
				 243.35  | 
			
				 1.138  | 
			
				 385.15  | 
			
				 40.0  | 
			
				 558  | 
		
| 
				 氟里昂-13  | 
			
				 CClF3  | 
			
				 104.4594  | 
			
				 8.12  | 
			
				 4.654  | 
			
				 191.75  | 
			
				 1.150(10℃)  | 
			
				 302.05  | 
			
				 39.4  | 
			
				 578  | 
		
| 
				 氟里昂-113  | 
			
				 CCl2FCClF2  | 
			
				 187.3765  | 
			
				 4.53  | 
			
				 8.274  | 
			
				 320.75  | 
			
				 
					  | 
			
				 487.25  | 
			
				 34.80  | 
			
				 576  | 
		
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