The CAS register number of Biphenylene, 2-chloro- is 50558-21-9. The systematic name about this chemical is 2-chlorobiphenylene. The molecular formula about this chemical is C₁₂H₇Cl and the molecular weight is 186.64. It belongs to the following product category which includes Biphenyl derivatives.

Physical properties about Biphenylene, 2-chloro- are: (1)ACD/LogP: 2.74; (2)ACD/LogD (pH 5.5): 2.74; (3)ACD/LogD (pH 7.4): 2.74; (4)ACD/BCF (pH 5.5): 71.45; (5)ACD/BCF (pH 7.4): 71.45; (6)ACD/KOC (pH 5.5): 739.08; (7)ACD/KOC (pH 7.4): 739.08; (8)Index of Refraction: 1.7; (9)Molar Refractivity: 54.63 cm³; (10)Molar Volume: 141.2 cm³; (11)Polarizability: 21.65x10^-24cm³; (12)Surface Tension: 46 dyne/cm; (13)Density: 1.32 g/cm³; (14)Flash Point: 255.9 °C; (15)Enthalpy of Vaporization: 75.08 kJ/mol; (16)Boiling Point: 509.7 °C at 760 mmHg; (17)Vapour Pressure: 5.28E-10 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: ClC=2/C=C\C3=C1/C=C\C=C/C1=C3\C=2
(2)InChI: InChI=1/C12H7Cl/c13-8-5-6-11-9-3-1-2-4-10(9)12(11)7-8/h1-7H
(3)InChIKey: NCEVZHIJEFVYHB-UHFFFAOYAW