The N,N'-Bis(naphthalene-2-yl)-N,N'-bis(phenyl)benzidine, with the cas registry number 139255-17-7, has the systematic name of N,N'-di(naphthalen-2-yl)-N,N'-diphenylbiphenyl-4,4'-diamine. It is a kind of light yellow power. And the molecular formula of the chemical is C₄₄H₃₂N₂.

The characteristics of this chemical are as followings: (1)ACD/LogP: 13.25; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 14; (4)ACD/LogD (pH 7.4): 14; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 10000000; (8)ACD/KOC (pH 7.4): 10000000; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 6.48 Å²; (13)Index of Refraction: 1.733; (14)Molar Refractivity: 194.217 cm³; (15)Molar Volume: 485.27 cm³; (16)Polarizability: 76.994×10^-24cm³; (17)Surface Tension: 56.453 dyne/cm; (18)Density: 1.213 g/cm³; (19)Flash Point: 340.846 °C; (20)Enthalpy of Vaporization: 112.451 kJ/mol; (21)Boiling Point: 772.518 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: c1ccccc1N(c2cc3ccccc3cc2)c4ccc(cc4)c5ccc(cc5)N(c6cc7ccccc7cc6)c8ccccc8
(2)InChI: InChI=1/C44H32N2/c1-3-15-39(16-4-1)45(43-29-23-33-11-7-9-13-37(33)31-43)41-25-19-35(20-26-41)36-21-27-42(28-22-36)46(40-17-5-2-6-18-40)44-30-24-34-12-8-10-14-38(34)32-44/h1-32H
(3)InChIKey: BLFVVZKSHYCRDR-UHFFFAOYAP