The Bis(4-bromophenyl)acetylene, with the cas registry number 2789-89-1, has the systematic name of 1,1'-ethyne-1,2-diylbis(4-bromobenzene). It is a kind of off-white crystalline powder, and it belongs to the product categories of Aromatic Hydrocarbons (substituted) & Derivatives and Miscellaneous. And the molecular formula of the chemical is C₁₄H₈Br₂.

The characteristics of this chemical are as followings: (1)ACD/LogP: 6.32; (2)# of Rule of 5 Violations: 1; (3)#H bond acceptors: 0; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 1; (6)Polar Surface Area: 0 Ų; (7)Index of Refraction: 1.697; (8)Molar Refractivity: 74.17 cm³; (9)Molar Volume: 192.5 cm³; (10)Polarizability: 29.4×10^-24cm³; (11)Surface Tension: 60.5 dyne/cm; (12)Density: 1.74 g/cm³; (13)Flash Point: 217.2 °C; (14)Enthalpy of Vaporization: 60.74 kJ/mol; (15)Boiling Point: 383.6 °C at 760 mmHg; (16)Vapour Pressure: 9.62E-06 mmHg at 25°C.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Brc2ccc(C#Cc1ccc(Br)cc1)cc2
(2)InChI: InChI=1/C14H8Br2/c15-13-7-3-11(4-8-13)1-2-12-5-9-14(16)10-6-12/h3-10H
(3)InChIKey: FJQGIJIHOXZMMJ-UHFFFAOYAG