Vapor Pressure of Mercury at Different Temperatures
The vapor pressure of mercury (Hg) is the pressure exerted by the mercury vapor above its liquid state at a given temperature. It is a measure of how easily mercury evaporates. The vapor pressure of mercury is an important property of this element with a wide range of scientific and industrial applications.
The following charts and table provide a comprehensive list of mercury vapor pressure at different temperatures under 1 atmospheric (atm) pressure. (1 atm = 101,325 Pa)
Click on the icon to switch between SI (kPa) and US customary (psi) units.
| Temperature °C | Vapor pressure (kPa) |
|---|---|
| 0 | 2.7 ×10-5 |
| 5 | 4.39 ×10-5 |
| 10 | 7.02 ×10-5 |
| 15 | 1.11 ×10-4 |
| 20 | 1.71 ×10-4 |
| 25 | 2.61 ×10-4 |
| 30 | 3.93 ×10-4 |
| 35 | 5.84 ×10-4 |
| 40 | 8.55 ×10-4 |
| 45 | 1.24 ×10-3 |
| 50 | 1.77 ×10-3 |
| 55 | 2.51 ×10-3 |
| 60 | 3.51 ×10-3 |
| 65 | 4.86 ×10-3 |
| 70 | 6.67 ×10-3 |
| 75 | 9.08 ×10-3 |
| 80 | 0.012 |
| 85 | 0.016 |
| 90 | 0.022 |
| 95 | 0.029 |
| 100 | 0.037 |
| 110 | 0.062 |
| 120 | 0.1 |
| 130 | 0.16 |
| 140 | 0.25 |
| 150 | 0.38 |
| 160 | 0.56 |
| 170 | 0.82 |
| 180 | 1.17 |
| 190 | 1.66 |
| 200 | 2.31 |
| 210 | 3.17 |
| 220 | 4.29 |
| 230 | 5.74 |
| 240 | 7.59 |
| 250 | 9.93 |
| 260 | 12.86 |
| 270 | 16.49 |
| 280 | 20.96 |
| 290 | 26.39 |
| 300 | 32.97 |
| 310 | 40.86 |
| 320 | 50.26 |
| 330 | 61.4 |
| 340 | 74.5 |
| 350 | 89.82 |
| 360 | 107.65 |
| 370 | 128.26 |
| 380 | 151.99 |
| 390 | 179.17 |
| 400 | 210.15 |
| 410 | 245.32 |
| 420 | 285.07 |
| 430 | 329.82 |
| 440 | 380 |
| 450 | 436.07 |
| 460 | 498.51 |
| 470 | 567.81 |
| 480 | 644.46 |
| 490 | 729.01 |
| 500 | 821.99 |
| 510 | 923.96 |
| 520 | 1035.5 |
| 530 | 1157.2 |
| 540 | 1289.6 |
| 550 | 1433.3 |
| 560 | 1589.1 |
| 570 | 1757.4 |
| 580 | 1939 |
| 590 | 2135 |
| 600 | 2345 |
| 610 | 2570 |
| 620 | 2811 |
| 630 | 3069 |
| 640 | 3344 |
| 650 | 3637 |
| 660 | 3949 |
| 670 | 4281 |
| 680 | 4632 |
| 690 | 5005 |
| 700 | 5399 |
| 710 | 5815 |
| 720 | 6254 |
| 730 | 6718 |
| 740 | 7205 |
| 750 | 7718 |
| 760 | 8258 |
| 770 | 8824 |
| 780 | 9417 |
| 790 | 10040 |
| 800 | 10690 |
Related Tables
References: NIST Chemistry WebBook, SRD 69. “Mercury.” Temperature Dependent Properties. “[PVP] Vapor pressure of MERCURY.” CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016. Yaws, Carl L. The Yaws Handbook of Vapor Pressure: Antoine Coefficients. United Kingdom: Elsevier Science, 2015.