- Name
- helium
- InChI
- InChI=1S/He
- InChI Key
- SWQJXJOGLNCZEY-UHFFFAOYSA-N
- Formula
- He
- SMILES
- [He]
- Mol. Weight (g/mol)
- 4.00
- CAS
- 7440-59-7
- Name
- Methylene chloride
- InChI
- InChI=1S/CH2Cl2/c2-1-3/h1H2
- InChI Key
- YMWUJEATGCHHMB-UHFFFAOYSA-N
- Formula
- CH2Cl2
- SMILES
- ClCCl
- Mol. Weight (g/mol)
- 84.93
- CAS
- 75-09-2
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Datasets
Henry's Law constant (mole fraction scale), kPa of helium (1) [ref]
Operational condition: Mole fraction = 0 (Liquid)
| Temperature, K - Liquid | Henry's Law constant (mole fraction scale), kPa of helium (1) - Liquid |
|---|---|
| 283.15 | 1525000.0 |
| 288.15 | 1404000.0 |
| 293.15 | 1296000.0 |
| 298.15 | 1200000.0 |
| 303.15 | 1114000.0 |
| 308.15 | 1036000.0 |
| 313.15 | 966400.0 |
| 318.15 | 903200.0 |
| 323.15 | 845900.0 |
Vapor or sublimation pressure, kPa [ref]
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Gas | Mole fraction of helium (1) - Liquid | Vapor or sublimation pressure, kPa - Gas |
| 302.10 | 0.0010 | 1074.00 |
| 297.30 | 0.0009 | 1045.00 |
| 292.30 | 0.0008 | 1015.00 |
| 287.30 | 0.0007 | 988.00 |
| 302.00 | 0.0009 | 1076.00 |
| 297.10 | 0.0008 | 1046.00 |
| 292.20 | 0.0007 | 1017.00 |
| 287.30 | 0.0007 | 989.00 |
| 302.30 | 0.0009 | 1034.00 |
| 297.20 | 0.0008 | 1003.00 |
| 292.80 | 0.0007 | 978.00 |
| 287.70 | 0.0006 | 951.00 |
Sources
- Effect of Dissolved Poly(lactic acid) on the Solubility of CO2, N2, and He Gases in Dichloromethane
- Gas Solubilities (CO2, O2, Ar, N2, H2, and He) in Liquid Chlorinated Methanes
Note: These property values are available through the Cheméo API. A free account gives you an access key.