The Disiloxane,1,3-dichloro-1,1,3,3-tetraphenyl-, with the CAS registry number 7756-87-8 and EINECS registry number 231-815-1, has the systematic name of 1,3-dichloro-1,1,3,3-tetraphenyldisiloxane. It is a kind of organics, and should be stored in the dry and cool environment. And the molecular formula of the chemical is C₂₄H₂₀Cl₂OSi₂.

The characteristics of Disiloxane,1,3-dichloro-1,1,3,3-tetraphenyl- are as followings: (1)ACD/LogP: 11.98; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 11.98; (4)ACD/LogD (pH 7.4): 11.98; (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: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 9.23 Å²; (13)Index of Refraction: 1.62; (14)Molar Refractivity: 129.8 cm³; (15)Molar Volume: 369.2 cm³; (16)Polarizability: 51.45×10^-24cm³; (17)Surface Tension: 42.6 dyne/cm; (18)Density: 1.22 g/cm³; (19)Flash Point: 199.2 °C; (20)Enthalpy of Vaporization: 71.01 kJ/mol; (21)Boiling Point: 474.9 °C at 760 mmHg; (22)Vapour Pressure: 9.99E-09 mmHg at 25°C.

You should be cautious while dealing with this chemical. It may cause burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection; Take off immediately all contaminated clothing; If in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
 
Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Cl[Si](O[Si](Cl)(c1ccccc1)c2ccccc2)(c3ccccc3)c4ccccc4
(2)InChI: InChI=1/C24H20Cl2OSi2/c25-28(21-13-5-1-6-14-21,22-15-7-2-8-16-22)27-29(26,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H
(3)InChIKey: YQULWRCMYAXEAV-UHFFFAOYAD