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N,N′-Diphenyl-P-Phenylenediamine

CAS: 74-31-7 | C18H16N2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 74-31-7
Molecular Formula: C18H16N2
Molecular Mass: 260.34 g/mol

Names and Synonyms:

N,N′-Diphenyl-P-Phenylenediamine
1,4-Benzenediamine, N1,N4-diphenyl-
p-Phenylenediamine, N,N′-diphenyl-
1,4-Benzenediamine, N,N′-diphenyl-
N1,N4-Diphenyl-1,4-benzenediamine
AgeRite DPPD
1,4-Bis(phenylamino)benzene
1,4-Dianilinobenzene
N,N′-Diphenyl-p-phenylenediamine
4,4′-Diphenyl-p-phenylenediamine
DPPD
Flexamine G
JZF
Nonox DPPD
4-Phenylaminodiphenylamine
p-Phenylaminodiphenylamine
Diafen FF
Diphenyl-p-phenylenediamine
N,N′-Diphenyl-1,4-phenylenediamine
Altofane DIP
Nonflex H
Permanax 18
Stabilizer DPPD
p-Bis(phenylamino)benzene
Nocrac DP
Permanax DPPD
DFFD
Antage DP
Ekaland DPPD
Naugard J
Antigen P
Antigene P
Antioxidant H
N,N′-Diphenyl-1,4-benzenediamine
NSC 5761
Diafen FF-T
PPD
Antioxidant PPD
Antioxidant 7PPD
1,4-Benzenediamine N1,N4-diphenyl-
1-N,4-N-Diphenylbenzene-1,4-diamine
Vulkanox DPPD
DAPD

Identifiers:

SMILES:
c1ccc(Nc2ccc(Nc3ccccc3)cc2)cc1
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

Key Properties

Boiling Point
220-225 °C @ Press: 0.5 Torr CAS Common Chemistry
Melting Point
150-151 °C CAS Common Chemistry
Density
1.20 g/cm³ CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 260.34 g/mol CAS Common Chemistry
260.34000000000003 g/mol RDKit
260.131348512 g/mol RDKit
Density 1.20 g/cm³ CAS Common Chemistry
1.20 g/cm3 CAS Common Chemistry
Boiling Point 220-225 °C @ Press: 0.5 Torr CAS Common Chemistry
Canonical SMILES C=1C=CC(=CC1)NC2=CC=C(C=C2)NC=3C=CC=CC3 CAS Common Chemistry
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 CAS Common Chemistry
InChI Key InChIKey=UTGQNNCQYDRXCH-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 150-151 °C CAS Common Chemistry
Name N,N′-Diphenyl-p-phenylenediamine CAS Common Chemistry
Heavy Atom Count 20 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 2 RDKit
Rotatable Bonds 4 RDKit
Aromatic Ring Count 3 RDKit
Topological Polar Surface Area 24.06 Ų RDKit
LogP 5.1738000000000035 RDKit
Molar Refractivity 85.89140000000003 RDKit

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