- InChI
- InChI=1S/C18H16N2/c1-3-7-15(8-4-1)19-17-11-13-18(14-12-17)20-16-9-5-2-6-10-16/h1-14,19-20H
- InChI Key
- UTGQNNCQYDRXCH-UHFFFAOYSA-N
- Formula
- C18H16N2
- SMILES
- c1ccc(Nc2ccc(Nc3ccccc3)cc2)cc1
- Molecular Weight1
- 260.33
- CAS
- 74-31-7
- Other Names
-
- 1,4-Benzenediamine, N1,N4-diphenyl-
- 1,4-Bis(phenylamino)benzene
- 1,4-Dianilinobenzene
- 4,4'-Diphenyl-p-phenylenediamine
- 4-Phenylaminodiphenylamine
- Agerite DPPD
- Altofane DIP
- Antage DP
- Antigene P
- Antioxidant H
- DFFD
- DPPD
- Diafen FF
- Diphenyl PPD
- Diphenyl-p-phenylenediamine
- Ekaland DPPD
- Flexamine G
- JZF
- N,N'-Difenyl-p-fenylendiamin
- N,N'-Diphenyl-1,4-benzenediamine
- N,N'-Diphenyl-1,4-diaminobenzene
- N,N'-Diphenyl-1,4-phenylenediamine
- N,N'-Diphenyl-p-Phenylenediamine
- NSC 5761
- Naugard J
- Nocrac DP
- Nonflex H
- Nonox DPPD
- Permanax 18
- Permanax DPPD
- Stabilizer DPPD
- USAF GY-2
- p-Bis(phenylamino)benzene
- p-Phenylaminodiphenylamine
- p-Phenylenediamine, N,N'-diphenyl-
- ω : Acentric Factor.
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.6511 | Relay (1.0) Calculated Property | |
| ΔfG° | 607.06 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | 303.24 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 34.31 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 116.06 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 7.04 | eV | Relay (1.0) Calculated Property |
| log10WS | -5.47 | Relay (1.0) Calculated Property | |
| logPoct/wat | 5.174 | Crippen Calculated Property | |
| McVol | 213.160 | ml/mol | McGowan Calculated Property |
| Pc | 2651.56 | kPa | Joback Calculated Property |
| Tboil | 686.47 | K | Relay (1.0) Calculated Property |
| Tc | 1062.98 | K | Relay (1.0) Calculated Property |
| Tfus | 403.95 | K | Relay (1.0) Calculated Property |
Cheméo can also estimate Critical Volume for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 495.70 | K | 0.07 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [250.48; 663.13] | 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 | -1.03310e+02 | |||
| Coefficient B | 1.57000e+00 | |||
| Coefficient C | -1.07916e-03 | |||
| Coefficient D | 2.75600e-07 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 250.48 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 329.26 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 397.77 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 456.89 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 507.49 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 550.43 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 586.60 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 616.85 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 642.07 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 663.13 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.35; 199.86] | kPa | [573.15; 685.15] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 2.53264e+01 | |||
| Coefficient B | -1.12397e+04 | |||
| Coefficient C | -1.23975e+02 | |||
| Temperature range, min. | 573.15 | |||
| Temperature range, max. | 685.15 | |||
| Pvap | 1.35 | kPa | 573.15 | Calculated Property |
| Pvap | 2.66 | kPa | 585.59 | Calculated Property |
| Pvap | 5.04 | kPa | 598.04 | Calculated Property |
| Pvap | 9.24 | kPa | 610.48 | Calculated Property |
| Pvap | 16.44 | kPa | 622.93 | Calculated Property |
| Pvap | 28.45 | kPa | 635.37 | Calculated Property |
| Pvap | 47.95 | kPa | 647.82 | Calculated Property |
| Pvap | 78.89 | kPa | 660.26 | Calculated Property |
| Pvap | 126.90 | kPa | 672.71 | Calculated Property |
| Pvap | 199.86 | kPa | 685.15 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,4-Benzenediamine, N,N'-diphenyl-.
Sources
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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