System: difluoromethane
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| 1) difluoromethane |
| DECHEMA ID | 40141 |
| Formula | CH2F2 |
| Synonym | R32 |
| Synonym | HFC 32 |
| Synonym | R 32 |
| Synonym | frigen 32 |
| Synonym | refrigerant 32 |
| Synonym | methylene difluoride |
| Synonym | freon 32 |
| Synonym | genetron 32 |
| Synonym | methylene fluoride |
| Synonym | r-32 |
| InChi-Key | RWRIWBAIICGTTQ-UHFFFAOYSA-N |
| Registry No. | 75-10-5 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
| 2nd virial coefficient | gas | 7 | 43 | View |
| 3rd virial coefficient | gas | 2 | 12 | View |
| acentric factor Omega | - | 5 | 5 | View |
| boiling temperature | - | 3 | 3 | View |
| critical compressibility factor | - | 5 | 5 | View |
| critical density | - | 14 | 14 | View |
| critical pressure | - | 28 | 28 | View |
| critical temperature | - | 38 | 38 | View |
| critical volume | - | 12 | 12 | View |
| density | gas | 49 | 3482 | View |
| density | - | 2 | 2 | View |
| density | liquid | 53 | 3637 | View |
| dielectric constant | gas | 2 | 55 | View |
| dielectric constant | liquid | 4 | 179 | View |
| dipole moment | - | 2 | 2 | View |
| enthalpy | liquid | 2 | 33 | View |
| enthalpy | gas | 5 | 116 | View |
| enthalpy (related to 0 K) | gas | 1 | 19 | View |
| enthalpy function (-H(298)) | gas | 1 | 62 | View |
| enthalpy of formation | gas | 7 | 125 | View |
| enthalpy of fusion | - | 2 | 2 | View |
| enthalpy of vaporization | - | 3 | 66 | View |
| entropy | liquid | 2 | 33 | View |
| entropy | gas | 9 | 142 | View |
| entropy (related to 0 K) | - | 1 | 19 | View |
| equilibrium constant of formation | gas | 2 | 102 | View |
| free energy function (-E(298)) | gas | 1 | 62 | View |
| free energy of formation | gas | 1 | 62 | View |
| free enthalpy function (-H(0)) | gas | 4 | 56 | View |
| free enthalpy of formation | gas | 3 | 21 | View |
| freezing temperature | - | 2 | 2 | View |
| fusion pressure | - | 1 | 1 | View |
| fusion temperature | - | 3 | 3 | View |
| heat capacity | liquid | 3 | 133 | View |
| heat capacity | gas | 2 | 52 | View |
| heat capacity | - | 1 | 55 | View |
| heat capacity (cp) | liquid | 5 | 112 | View |
| heat capacity (cp) | gas | 21 | 413 | View |
| heat capacity (cv) | liquid | 3 | 267 | View |
| heat capacity (cv) | gas | 2 | 78 | View |
| isothermal compressibility factor | gas | 2 | 131 | View |
| melting point | - | 2 | 2 | View |
| normal boiling point | - | 10 | 10 | View |
| octanol/water partition coefficient | - | 2 | 4 | View |
| refractive index | - | 1 | 1 | View |
| refractive index | liquid | 1 | 28 | View |
| refractive index | gas | 1 | 28 | View |
| refractive index, Na-D-line | liquid | 2 | 2 | View |
| sound velocity | liquid | 9 | 1178 | View |
| sound velocity | gas | 7 | 303 | View |
| surface tension | liquid | 9 | 167 | View |
| thermal conductivity | gas | 14 | 702 | View |
| thermal conductivity | solid | 1 | 13 | View |
| thermal conductivity | liquid | 21 | 638 | View |
| triple point | - | 2 | 2 | View |
| triple point pressure | - | 2 | 4 | View |
| triple point temperature | - | 9 | 11 | View |
| vapor pressure | - | 102 | 1139 | View |
| viscosity, dynamic | gas | 10 | 267 | View |
| viscosity, dynamic | liquid | 19 | 323 | View |
| viscosity, kinematic | liquid | 2 | 19 | View |
| volume | gas | 1 | 27 | View |
| volume | liquid | 2 | 28 | View |