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Critical Point

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Element

Temperature

Pressure

Notes

Actinium

16270 K       

Aluminum

 8550 K       

Americium

10800 K       

Antimony

 5070 K       

Argon

150.687 ± 0.015 K   

4.863 ± 0.003 MPa

Arsenic

 2100 K       

Astatine

 1060 K       

Barium

 3270 K       

Beryllium

13000 K       

0.7 GPa

predicted

Bismuth

 4620 K       

Boron

 3284 K       

Bromine

  584 K       

Cadmium

 2960 K       

Calcium

 2880 K       

Carbon

 6743 K       

Cerium

10400 K       

Cesium

   1938 ± 10 K      

9.4 ± 0.2 MPa

Chlorine

  416.956 K   

7.9914 MPa

Chromium

 4700 K       

Cobalt

 5400 K       

Copper

 5421 K       

Dysprosium

 7640 K       

Erbium

 7250 K       

Europium

 4600 K       

Fluorine

 144.32 ± 0.05 K    

5.215 MPa

Francium

 2030 K       

Gadolinium

 8670 K       

Gallium

 7620 K       

Germanium

 8400 K       

Gold

 6200 K       

0.45 GPa

predicted

Hafnium

10400 K       

Helium

helium-4

    5.19 K    

2.29 bar

helium-3

    3.32 K    

1.16 bar

Holmium

 7570 K       

Hydrogen

equilibrium

   32.976 K   

1.293 MPa

normal

   33.19 K    

1.315 MPa

deuterium

equilibrium

   38.262 K   

1.650 MPa

normal

   38.34 K    

1.665 MPa

tritium

   40.44 K    

1.850 MPa

estimate

Indium

 6730 K       

Iodine

  819 K       

Iridium

 7800 K       

Iron

 9250 K       

8750 bar

The temperature value has an uncertainty of ±12%. The pressure value has an uncertainty of ±14%.

Krypton

  209.4 K     

Lanthanum

10500 K       

Lead

 5400 K       

Lithium

 3223 K       

Lutetium

 3540 K       

Magnesium

 2535 K       

Manganese

 4327 K       

Mercury

 1735 K       

Molybdenum

 9450 K       

Neodymium

 7900 K       

Neon

   44.4 K     

Neptunium

12000 K       

Nickel

 6000 K       

0.29 GPa

predicted for the vapor and the insulating liquid region

Niobium

 8700 K       

Nitrogen

126.192 ± 0.010 K   

3.3958 ± 0.0017 MPa

Osmium

12700 K       

Oxygen

  154.581 K   

5.043 MPa

Palladium

 7100 K       

Phosphorus

  994.0 K     

Platinum

 8450 K       

Plutonium

11140 K       

Polonium

 2880 K       

Potassium

 2223 K       

Praseodymium

 8900 K       

Promethium

 6800 K       

Protactinium

14000 K       

Radium

 3510 K       

Radon

  377.0 K     

Rhenium

20500 K       

Rhodium

 7000 K       

Rubidium

 2093 K       

Ruthenium

 9600 K       

Samarium

 5440 K       

Scandium

 5400 K       

Selenium

 1757 K       

Silicon

 5159 K       

Silver

 7480 K       

Sodium

 2573 K       

Strontium

 3059 K       

Sulfur

 1314 K       

Tantalum

10250 K       

Technetium

11500 K       

Tellurium

 2329 K       

Terbium

 8470 K       

Thallium

 2329 K       

Thorium

14550 K       

Thulium

 6430 K       

Tin

 5809 K       

Titanium

15500 K       

0.7 GPa

predicted for the vapor and the insulating liquid region

Tungsten

22500 K       

1.6 GPa

predicted

Uranium

12500 K       

Vanadium

 5930 K       

Xenon

289.765 ± 0.025 K   

5.8405 ± 0.0005 MPa

estimated

Ytterbium

 4420 K       

Yttrium

 8950 K       

Zinc

 3380 K       

Zirconium

 8650 K       

References    (Click the button next to a value above to see complete citation information for that entry)

Beutl, M., G. Pottlacher, and H. Jäger. "Thermophysical Properties of Liquid Iron." International Journal of Thermophysics, volume 15, number 6, 1994, pp. 1323–1331. doi:10.1007/BF01458840

Enss, Christian, and Siegfried Hunklinger. Low-Temperature Physics. Berlin: Springer-Verlag, 2005.

Guminski, C. "The F-Hg system (Fluorine-Mercury)." Journal of Phase Equilibria, volume 22, number 5, 2001, pp. 578–581.

Horvath, A. L. "Critical Temperature of Elements and the Periodic System." Journal of Chemical Education, volume 50, number 5, 1973, pp. 335–336. doi:10.1021/ed050p335

Hurly, J. J. "Thermophysical Properties of Chlorine from Speed-of-Sound Measurements." International Journal of Thermophysics, volume 23, number 2, 2002, pp. 455–475. doi:10.1023/A:1015109503116

Kerley, Gerald I., editor. Equations of State for Be, Ni, W, and Au. SAND2003-3784, Sandia National Laboratories, October 2003.

Kerley, Gerald I., editor. Equations of State for Titanium and Ti6A14V Alloy. SAND2003-3785, Sandia National Laboratories, October 2003.

Lemmon, E.W., and R. T. Jacobsen. "Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air." International Journal of Thermophysics, volume 25, number 1, 2004, pp. 21–69. doi:10.1023/B:IJOT.0000022327.04529.f3

Šifner, O., and J. Klomfar. "Thermodynamic Properties of Xenon from the Triple Point to 800 K with Pressures up to 350 MPa." Journal of Physical and Chemical Reference Data, volume 23, number 1, 1994, pp. 63–152.

Souers, P. Clark. Hydrogen Properties for Fusion Energy. Berkeley, CA: University of California Press, 1986.

Span, Roland, Eric W. Lemmon, Richard T. Jacobsen, Wolfgang Wagner, and Akimichi Yokozeki. "A Reference Equation of State for the Thermodynamic Properties of Nitrogen for Temperatures from 63.151 to 1000 K and Pressures to 2200 MPa." Journal of Physical and Chemical Reference Data, volume 29, number 6, 2000, pp. 1361–1433.

Stewart, Richard B., Richard T. Jacobsen, and w. Wagner. "Thermodynamic Properties of Oxygen from the Triple Point to 300 K with Pressures to 80 MPa." Journal of Physical and Chemical Reference Data, volume 20, number 5, 1991, pp. 917–1021.

Tegeler, Ch., R. Span, and W. Wagner. "A New Equation of State for Argon Covering the Fluid Region for Temperatures From the Melting Line to 700 K at Pressures up to 1000 MPa." Journal of Physical and Chemical Reference Data, volume 28, number 3, 1999, pp. 779–850.

Vargaftik, N. B., E. B. Gelman, V. F. Kozhevnikov, and S. P. Naursakov. "Equation of State and Critical Point of Cesium." International Journal of Thermophysics, volume 11, number 3, 1990, pp. 467–476. doi:10.1007/BF00500839