- 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-
- 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).
- 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).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | 607.06 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | 390.21 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 34.31 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 76.02 | kJ/mol | Joback Calculated Property |
| log10WS | -5.08 | Crippen 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 | 796.60 | K | Joback Calculated Property |
| Tc | 1057.12 | K | Joback Calculated Property |
| Tfus | 489.72 | K | Joback Calculated Property |
| Vc | 0.789 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [601.86; 675.98] | J/mol×K | [796.60; 1057.12] | 
|
| Cp,gas | 601.86 | J/mol×K | 796.60 | Joback Calculated Property |
| Cp,gas | 617.39 | J/mol×K | 840.02 | Joback Calculated Property |
| Cp,gas | 631.47 | J/mol×K | 883.44 | Joback Calculated Property |
| Cp,gas | 644.23 | J/mol×K | 926.86 | Joback Calculated Property |
| Cp,gas | 655.81 | J/mol×K | 970.28 | Joback Calculated Property |
| Cp,gas | 666.35 | J/mol×K | 1013.70 | Joback Calculated Property |
| Cp,gas | 675.98 | J/mol×K | 1057.12 | Joback Calculated Property |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 495.70 | K | 0.07 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.35; 199.86] | kPa | [573.15; 685.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| 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
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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