The cas register number of 1,1,3,3-Tetramethyltetraphenylcyclotetrasiloxane is 1693-47-6. It also can be called as 2,2,4,4-Tetramethyl-6,6,8,8-tetraphenylcyclotetrasiloxane and the Systematic name about this chemical is 2,2,4,4-tetramethyl-6,6,8,8-tetraphenyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane. It belongs to the following product categories, such as Phenyl Silanes, Siloxanes and so on.

Physical properties about 1,1,3,3-Tetramethyltetraphenylcyclotetrasiloxane are: (1)#H bond acceptors: 4; (2)#Freely Rotating Bonds: 4; (3)Polar Surface Area: 36.92Ų; (4)Index of Refraction: 1.576; (5)Molar Refractivity: 159.35 cm³; (6)Molar Volume: 481 cm³; (7)Polarizability: 63.17x10^-24cm³; (8)Surface Tension: 35.9 dyne/cm; (9)Flash Point: 211.7 °C; (10)Enthalpy of Vaporization: 73.14 kJ/mol; (11)Boiling Point: 493.2 °C at 760 mmHg; (12)Vapour Pressure: 2.17E-09 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O1[Si](O[Si](O[Si](O[Si]1(C)C)(C)C)(c2ccccc2)c3ccccc3)(c4ccccc4)c5ccccc5
(2)InChI: InChI=1/C28H32O4Si4/c1-33(2)29-34(3,4)31-36(27-21-13-7-14-22-27,28-23-15-8-16-24-28)32-35(30-33,25-17-9-5-10-18-25)26-19-11-6-12-20-26/h5-24H,1-4H3
(3)InChIKey: SOPXVWFVFREYPL-UHFFFAOYAA
(4)Std. InChI: InChI=1S/C28H32O4Si4/c1-33(2)29-34(3,4)31-36(27-21-13-7-14-22-27,28-23-15-8-16-24-28)32-35(30-33,25-17-9-5-10-18-25)26-19-11-6-12-20-26/h5-24H,1-4H3
(5)Std. InChIKey: SOPXVWFVFREYPL-UHFFFAOYSA-N