The Diphenyldiethoxysilane, with the CAS registry number 2553-19-7, is also known as Silane, diethoxydiphenyl-. It belongs to the product categories of Dialkoxysilanes; Si (Classes of Silicon Compounds); Si-O Compounds; Phenyl Silanes. Its EINECS number is 219-860-5. This chemical's molecular formula is C₁₆H₂₀O₂Si and molecular weight is 272.42. What's more, its systematic name is Diethoxy(diphenyl)silane. This chemical should be sealed and stored in a cool and dry place. 

Physical properties of Diphenyldiethoxysilane are: (1)ACD/LogP: 4.92; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.92; (4)ACD/LogD (pH 7.4): 4.92; (5)ACD/BCF (pH 5.5): 3229.98; (6)ACD/BCF (pH 7.4): 3229.98; (7)ACD/KOC (pH 5.5): 11310.46; (8)ACD/KOC (pH 7.4): 11310.46; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 18.46 Å²; (13)Index of Refraction: 1.535; (14)Molar Refractivity: 82.221 cm³; (15)Molar Volume: 263.979 cm³; (16)Polarizability: 32.595×10^-24cm³; (17)Surface Tension: 34.2 dyne/cm; (18)Density: 1.032 g/cm³; (19)Flash Point: 187.018 °C; (20)Enthalpy of Vaporization: 54.007 kJ/mol; (21)Boiling Point: 320.752 °C at 760 mmHg; (22)Vapour Pressure: 0.001 mmHg at 25°C.

Preparation: this chemical can be prepared by ethanol and diphenylsilane at the ambient temperature. This reaction will need reagent (Ph₃P)₃RhCl and solvent toluene with the reaction time of 3 hours. The yield is about 90%.

Uses of Diphenyldiethoxysilane: it can be used to produce difluoro-diphenyl-silane by heating. It will need reagent NaPF₆ with the reaction time of 6 hours. The yield is about 96%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: O(CC)[Si](OCC)(c1ccccc1)c2ccccc2
(2)Std. InChI: InChI=1S/C16H20O2Si/c1-3-17-19(18-4-2,15-11-7-5-8-12-15)16-13-9-6-10-14-16/h5-14H,3-4H2,1-2H3
(3)Std. InChIKey: ZZNQQQWFKKTOSD-UHFFFAOYSA-N