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                                  Full-service supplier of air separation plants, oxygen and nitrogen generators and CO2 plants. Gas & liquid supplier to end users and to distributors of bulk liquids & packaged gases.

                                  Physical Properties of Industrial Gases and Common Industrial Chemicals

                                  (Metric Units)

                                   

                                    

                                  Boiling Point
                                  @ 101.325 kPa
                                  Gas Phase Properties
                                  @ 0?C & @ 101.325 kPa
                                  Liquid Phase Properties
                                  @ B.P., & @ 101.325 kPa
                                  Triple Point Critical Point
                                  Temp. Latent Heat of Vaporization Specific Gravity Specific Heat (Cp) Density Specific Gravity Specific Heat (Cp) Temp. Pressure Temp. Pressure Density
                                  Substance Chemical
                                  Symbol
                                  Mol.
                                  Weight
                                  ?/strong>C kJ/kg Air = 1 kJ/kg ?C kg/m3 Water = 1 kJ/kg ?C ?/strong>C kPa abs ?C kPa abs kg/m3
                                  Air -- 28.98 -194.3 205.0 1 1.01 1.2929 0.873 1.865 -213.4 -- -140.6 3771 351
                                  Oxygen O2 32.00 -182.96 213.0 1.113 0.9191 1.429 1.14 1.669 -218.8 0.148 -188.57 5043 436.1
                                  Nitrogen N2 28.01 -195.8 199.1 0.9737 1.04 1.2506 0.808 2.042 -210 12.5 -146.9 3399 314.9
                                  Argon Ar 39.95 -185.9 162.3 1.39 0.523 1.7837 1.40 1.078 -189.3 68.9 -122.3 4905 535.6
                                  Carbon Dioxide CO2 44.01 -78.5 571.3 1.539 0.85 1.9769 1.18c -- -56.6 517.3 31.1 7382 468
                                  Hydrogen H2 2.02 -252.8 446.0 0.06998 14.34 0.08988 0.071 9.668 -259.2 7.205 -239.96 1315 30.12
                                  Carbon Monoxide CO 28.01 -191.5 215.8 0.9736 1.037 1.2504 0.79 -- -205.1 15.2 -140.2 3499 301
                                  Water H2O 18.02 100.0 2256.9 -- 2.0418d .58958d 0.95855 4.216 0.01 101.9 373.99 22064 322
                                  Methane CH4 16.04 -161.49 509.91 0.559 2.207 0.717 0.425 3.481 -182.5 11.65 -82.1 4640.86 161.63
                                  Ammonia NH3 17.03 -33.3 1371.0 0.6003 2.191 0.771 0.6819 -- -77.7 6.1 133 11350 235
                                  Helium He 4.00 -268.9 20.28 0.139 5.19 0.17585 0.124 4.545 NONE NONE -267.9 227 69.64
                                  Neon Ne 20.18 -246.0 86.3 0.701 1.05 0.9004 1.207 1.877 -248.6 43.4 -228.8 2654 483
                                  Krypton Kr 83.80 -153.4 107.5 2.887 0.251 3.708 2.41 0.533 -157.4 73.2 -63.8 55402 908
                                  Xenon Xe 131.30 -108.2 96.3 4.55 0.269 5.85 3.06 0.34 -111.8 81.6 16.6 5840 1100
                                  Ozone O3 47.99 -111.3 151.9 1.656 39.37 -- 1.352 -- -192.5 11.4 -12.15 55.73 540
                                  Hydrogen Sulfide H2S 34.08 -60.2 547.83 1.198 0.147 1.539 0.9136 -- -- -- 100.5 9008 346
                                  Sulfur Dioxide SO2 64.06 -10.0 389.3 2.279 0.622 2.9269 1.46 -- -75.5 1.675 157.4 7866.9 520
                                  Ethane C2H6 30.07 -88.63 489.41 1.056 1.715 1.3566 0.546 -- -183.3 101.325 32.2 4883.9 161.63
                                  Ethylene C2H4 28.05 -103.8 484.0 0.978 1.516 1.2604 0.567 -- -169.2 0.1014 9.9 5041 203
                                  Acetylene C2H2 26.04 -83.3 614.0c 0.906 1.6 1.1716 0.613 -- -82.2 122 36 6250 228
                                  Propane C3H8 44.10 -42.04 425.77 1.573 1.625 2.02 0.58 -- -- -- 96.672 4249.24 216.25
                                  Propylene C3H6 42.08 -47.72 437.71 1.481 1.486 1.769 0.61 -- -- -- 91.77 4619.49 232.27
                                  Methanol CH3OH 32.04 64.7 1100.2 --  1.37 1.43 0.795 2.533 -97.5 --  239.4 8084 271.5

                                  a Sublimation point       b Sublimation Enthalpy       c Triple point       d Boiling point


                                  Universal Industrial Gases, Inc.
                                  Universal Cryo Gas, LLC
                                  3001 Emrick Blvd., Suite 320
                                  Bethlehem, Pennsylvania 18020 USA

                                  Phone (610) 559-7967 Fax (610) 515-0945

                                  All material contained herein Copyright 2003 / 2017

                                   UIG. 

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