Vapor Pressure Data: Helium
1.45 to 4.8
Tabulated vapor pressure vs temperature for ~2800 pure compounds (inorganic and organic). Each row gives vapor pressure in Pa at a specific temperature in Kelvin. Covers cryogenic to high-boiling-point ranges. Includes water (ice, supercooled, and liquid phases), gases, organics, metals, and inorganic salts.
| compound name | temperature K | data source table | formula | vapor pressure Pa (Pa) |
|---|---|---|---|---|
| Helium | 1.45 | Table 2-9 | He | 133.322 |
| Helium | 2.2 | Table 6-127 | He | 5,332 |
| Helium | 2.3 | Table 6-127 | He | 6,725 |
| Helium | 2.8 | Table 6-127 | He | 17,560 |
| Helium | 3.3 | Table 6-127 | He | 36,600 |
| Helium | 3.8 | Table 6-127 | He | 66,190 |
| Helium | 4.3 | Table 6-127 | He | 108,800 |
| Helium | 4.8 | Table 6-127 | He | 167,300 |
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