System: 2-pyrrolidinone
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| 1) 2-pyrrolidinone |
| DECHEMA ID | 34470 |
| Formula | C4H7NO |
| Synonym | γ-butyrolactam |
| Synonym | 2-pyrrolidone |
| Synonym | pyrrolidone |
| Synonym | 2-oxopyrrolidine |
| Synonym | 2-oxypyrrolidine |
| Synonym | 2-pyrol4-aminobutyric acid lactam |
| Synonym | α-pyrrolidinone |
| Synonym | α-pyrrolidone |
| Synonym | butanoic acid, 4-amino- |
| Synonym | butyrolactam |
| Synonym | γ-aminobutyric acid lactam |
| Synonym | γ-aminobutyric lactam |
| Synonym | γ-aminobutyrolactam |
| InChi-Key | HNJBEVLQSNELDL-UHFFFAOYSA-N |
| Registry No. | 616-45-5 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
| acentric factor Omega | - | 1 | 1 | View |
| critical pressure | - | 2 | 2 | View |
| critical temperature | - | 2 | 2 | View |
| critical volume | - | 1 | 1 | View |
| cubic expansion coefficient | liquid | 5 | 9 | View |
| density | solid | 1 | 1 | View |
| density | liquid | 63 | 191 | View |
| dielectric constant | liquid | 9 | 30 | View |
| dipole moment | - | 2 | 2 | View |
| enthalpy | gas | 1 | 18 | View |
| enthalpy of combustion | solid | 1 | 1 | View |
| enthalpy of combustion | liquid | 1 | 1 | View |
| enthalpy of combustion | solid(1) | 1 | 1 | View |
| enthalpy of formation | solid(1) | 1 | 1 | View |
| enthalpy of formation | gas | 2 | 2 | View |
| enthalpy of formation | solid | 1 | 1 | View |
| enthalpy of formation | liquid | 1 | 1 | View |
| enthalpy of fusion | - | 2 | 2 | View |
| enthalpy of sublimation | - | 1 | 2 | View |
| enthalpy of vaporization | - | 2 | 19 | View |
| entropy | gas | 2 | 19 | View |
| free enthalpy function (-H(0)) | gas | 2 | 36 | View |
| fusion pressure | - | 3 | 3 | View |
| fusion temperature | - | 7 | 7 | View |
| heat capacity (cp) | gas | 2 | 36 | View |
| heat capacity (cp) | solid | 1 | 46 | View |
| heat capacity (cp) | liquid | 12 | 35 | View |
| isothermal compressibility | liquid | 1 | 1 | View |
| melting point | - | 1 | 1 | View |
| refractive index, Na-D-line | liquid | 4 | 11 | View |
| sound velocity | liquid | 29 | 75 | View |
| sublimation temperature | - | 1 | 2 | View |
| surface tension | liquid | 1 | 5 | View |
| UNIQUAC area parameter | - | 1 | 1 | View |
| UNIQUAC volume parameter | - | 1 | 1 | View |
| vapor pressure | - | 5 | 36 | View |
| viscosity, dynamic | liquid | 19 | 53 | View |
| volume | liquid | 1 | 1 | View |