The Cyclotetrasilane,1,1,2,2,3,3,4,4-octaphenyl-, also known as Octaphenylcyclotetrasilane, is an organic compound with the formula C₄₈H₄₀Si₄. Its EINECS registry number is 213-905-2. With the CAS registry number 1065-95-8, its IUPAC name is 1,1,2,2,3,3,4,4-octakis-phenyltetrasiletane. It is stable at normal pressure and temperature, and it should be sealed and stored in a cool and dry place.

Physical properties of Cyclotetrasilane,1,1,2,2,3,3,4,4-octaphenyl-: (1)#Freely Rotating Bonds: 8; (2)Polar Surface Area: 0 Å²; (3)Index of Refraction: 1.666; (4)Molar Refractivity: 232.72 cm³; (5)Molar Volume: 625.3 cm³; (6)Surface Tension: 46.3 dyne/cm; (7)Density: 1.16 g/cm³.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=CC=C(C=C1)[Si]2([Si]([Si]([Si]2(C3=CC=CC=C3)C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6)(C7=CC=CC=C7)C8=CC=CC=C8)C9=CC=CC=C9
(2)InChI: InChI=1S/C48H40Si4/c1-9-25-41(26-10-1)49(42-27-11-2-12-28-42)50(43-29-13-3-14-30-43,44-31-15-4-16-32-44)52(47-37-21-7-22-38-47,48-39-23-8-24-40-48)51(49,45-33-17-5-18-34-45)46-35-19-6-20-36-46/h1-40H
(3)InChIKey: MHBOFSJQAKACCM-UHFFFAOYSA-N