- InChI
- InChI=1S/C8H7NO2/c10-8-5-11-7-4-2-1-3-6(7)9-8/h1-4H,5H2,(H,9,10)
- InChI Key
- QRCGFTXRXYMJOS-UHFFFAOYSA-N
- Formula
- C8H7NO2
- SMILES
- OC1=Nc2ccccc2OC1
- Molecular Weight1
- 149.15
- CAS
- 5466-88-6
- Other Names
-
- 2H-1,4-Benzoxazin-3-one
- 3-Keto-4-aza-2,3-dihydrobenzopyran
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfusH° | 23.13 | kJ/mol | Joback Calculated Property |
| ΔsubH° | 106.40 ± 3.00 | kJ/mol | NIST |
| logPoct/wat | 1.667 | Crippen Calculated Property | |
| McVol | 106.380 | ml/mol | McGowan Calculated Property |
Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔfusH | 22.80 | kJ/mol | 445.60 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [136.25; 343.84] | J/mol×K | [273.00; 1000.00] |
Joback Predicted correlation
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | -3.36800e+01 | |||
| Coefficient B | 7.42180e-01 | |||
| Coefficient C | -4.66260e-04 | |||
| Coefficient D | 1.01600e-07 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 136.25 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 175.03 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 209.13 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 238.87 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 264.58 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 286.57 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 305.17 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 320.71 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 333.49 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 343.84 | J/mol×K | 1000.00 | Calculated Property |
Similar Compounds
Find more compounds similar to 2H-1,4-Benzoxazin-3(4H)-one.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
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