Sulfur Hexafluoride M.W. [1]

146.056

 M.P. [2]

222.45 K

 T.P.[2]

223.15 K

SF6 Pc [2]

3.76 MPa [3]

 Tc [2]

318.7 K

 Vc [3]

0.19582 m3/kmol

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

mW/(m·K)

µPa·s

Estimated Uncertainty 1%/0.1% 1% Gas densities are calculated to better than 0.1% over the temperature and pressure ranges of the reference. 5.0% 0.5%
Reference [1]/[5] [6] [5] [5] [5] [5] [7] [7]
223 9.17 0.23 -528.8 1190.2 -22326 450223 7.0 11.76
225 9.25 0.25 -518.2 1164.6 -18470 413996 7.1 11.86
230 9.43 0.31 -493.3 1104.5 -10258 335752 7.4 12.09
235 9.61 0.37 -470.2 1049.6 -3741 272172 7.6 12.33
240 9.79 0.45 -448.6 999.3 1426 220292 7.9 12.56
245 9.97 0.54 -428.5 952.9 5517 177801 8.2 12.80
250 10.09 0.64 -409.7 910.2 8747 142881 8.4 13.03
255 10.26 0.75 -392.0 870.7 11283 114101 8.7 13.26
260 10.43 0.88 -375.5 834.1 13261 90319 9.0 13.49
265 10.60 1.02 -359.9 800.1 14789 70626 9.3 13.73
270 10.76 1.18 -345.3 768.4 15952 54291 9.5 13.96
275 10.92 1.36 -331.4 738.9 16820 40723 9.8 14.19
280 11.08 1.55 -318.4 711.4 17449 29444 10.1 14.42
285 11.23 1.77 -306.0 685.6 17885 20064 10.4 14.65
290 11.38 2.00 -294.3 661.4 18164 12264 10.7 14.88
295 11.53 2.26 -283.2 638.7 18317 5783 11.0 15.10
300 11.68 2.53 -272.6 617.4 18368 404 11.3 15.33
305 11.82 2.83 -262.6 597.3 18337 -4049 11.6 15.56
310 11.96 3.16 -253.0 578.3 18240 -7727 11.9 15.78
315 12.10 3.50 -243.9 560.4 18091 -10750 12.2 16.01
318.7 12.20 3.77 -237.5 547.8 17955 -12628 12.4 16.18
320 12.23 - -235.2 543.5 17902 -13224 12.5 16.23
340 12.74 - -204.1 484.2 16896 -19136 13.6 17.12
360 13.21 - -177.9 435.6 15733 -21118 14.8 18.00
380 13.64 - -155.4 395.3 14585 -21099 16.0 18.87
400 14.03 - -136.1 361.3 13526 -20092 17.2 19.73
420 14.38 - -119.1 332.3 12580 -18635 18.3 20.57
440 14.70 - -104.3 307.3 11750 -17016 19.4 21.40
460 14.99 - -91.1 285.6 11030 -15390 20.5 22.22
480 15.20 - -79.4 266.6 10408 -13834 21.6 23.02
500 15.44 - -68.8 249.8 9873 -12386 22.6 23.81
550 15.95 - -46.7 215.4 8843 -9300 25.2 25.74
600 16.37 - -29.1 188.8 8141 -6925 27.7 27.59
650 16.71 - -14.9 167.7 7661 -5121 30.0 29.37
700 16.99 - -3.1 150.6 7334 -3752 32.3 31.08
750 17.22 - 6.8 136.5 7112 -2709 34.4 32.73
800 17.42 - 15.2 124.6 6964 -1910 36.5 34.32
850 17.58 - 22.4 114.5 6867 -1295 38.4 35.84
900 17.73 - 28.7 105.8 6807 -819 - -
950 17.85 - 34.2 98.2 6773 -449 - -
1000 17.95 - 39.1 91.5 6758 -162 - -

References:

  1. IUPAC; "Atomic Weights of the Elements 1993"; J. Phys. Chem. Ref. Data 1995, 24, 1561.
  2. A. L. Horvath, Physical Properties of Inorganic Compounds; Crane Russak, New York, 1975.
  3. J. F. Mathews, "The Critical Constants of Inorganic Substances", Chem. Rev. 1972, 72, 71.
  4. "JANAF Thermochemical Tables", J. Phys. Chem. Ref. Data 1978, 7, 793. 1978 Supplement.
  5. J. J. Hurly, D. R. Defibaugh and M. R. Moldover, "Thermodynamic Properties of Sulfur Hexafluoride", Int. J. Thermophys., IN PRESS.
  6. L. S. Verdelli, H. C. Miller, J. F. Gall, "Some Physical Properties of Sulfur Hexafluoride"; Ind. Eng. Chem. 1951, 43, 1126.
  7. T. Strehlow and E. Vogel, "Temperature Dependence and Initial Density Dependence of the Viscosity of Sulphur Hexafluoride", Physica A, 1989, 161, 101.

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