This chemical is called 1,1'-Biphenyl-4,4'-d₂, and its systematic name is (4,4'-²H₂)Biphenyl. With the molecular formula of C₁₂H₈D₂, its molecular weight is 156.22. The CAS registry number of this chemical is 6120-99-6.

Other characteristics of the 1,1'-Biphenyl-4,4'-d₂ can be summarised as followings: (1)ACD/LogP: 4.09; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.091; (4)ACD/LogD (pH 7.4): 4.091; (5)ACD/BCF (pH 5.5): 757.589; (6)ACD/BCF (pH 7.4): 757.589; (7)ACD/KOC (pH 5.5): 4005.899; (8)ACD/KOC (pH 7.4): 4005.899; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Index of Refraction: 1.571; (13)Molar Refractivity: 50.845 cm³; (14)Molar Volume: 154.718 cm³; (15)Polarizability: 20.156×10^-24cm³; (16)Surface Tension: 36.632 dyne/cm; (17)Density: 1.01 g/cm³; (18)Flash Point: 105.492 °C; (19)Enthalpy of Vaporization: 47.552 kJ/mol; (20)Boiling Point: 257.956 °C at 760 mmHg; (21)Vapour Pressure: 0.023 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: [2H]c1ccc(cc1)c2ccc(cc2)[2H]
2.InChI: InChI=1/C12H10/c1-3-7-11(8-4-1)12-9-5-2-6-10-12/h1-10H/i1D,2D
3.InChIKey: ZUOUZKKEUPVFJK-QDNHWIQGEC