The Hexaphenylcyclotrisiloxane, with CAS registry number 512-63-0, belongs to the following product categories: (1)Si (Classes of Silicon Compounds); (2)Siloxanes; (3)Si-O Compounds; (4)Organometallic Reagents; (5)Organosilicon. Its systematic name and its IUPAC name is the same, which is 2,2,4,4,6,6-hexaphenyl-1,3,5,2,4,6-trioxatrisilinane. This chemical is a kind of white powder. What's more, its EINECS is 208-145-3.

Physical properties of Hexaphenylcyclotrisiloxane: (1)#H bond acceptors: 3; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 6; (4)Polar Surface Area: 27.69 Å²; (5)Index of Refraction: 1.651; (6)Molar Refractivity: 179.76 cm³; (7)Molar Volume: 491.9 cm³; (8)Polarizability: 71.26×10^-24cm³; (9)Surface Tension: 46.4 dyne/cm; (10)Enthalpy of Vaporization: 85.19 kJ/mol; (11)Vapour Pressure: 2.02E-13 mmHg at 25°C.

Preparation: this chemical can be prepared by diphenylsilanediol. This reaction will need reagent H₂SO₄ and solvent ethyl acetate. The reaction time is 96 hour(s). The yield is about 90%.

Uses of Hexaphenylcyclotrisiloxane: it can be used to produce butyl-diphenyl-silanol. This reaction will need solvent toluene. The reaction time is 1.5 hour(s) with reaction temperature of 110 ℃. The yield is about 91%.

When you are using this chemical, please be cautious about it as the following:
The TriHexaphenylcyclotrisiloxane irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O1[Si](O[Si](O[Si]1(c2ccccc2)c3ccccc3)(c4ccccc4)c5ccccc5)(c6ccccc6)c7ccccc7
(2)InChI: InChI=1/C36H30O3Si3/c1-7-19-31(20-8-1)40(32-21-9-2-10-22-32)37-41(33-23-11-3-12-24-33,34-25-13-4-14-26-34)39-42(38-40,35-27-15-5-16-28-35)36-29-17-6-18-30-36/h1-30H
(3)InChIKey: VCYDUTCMKSROID-UHFFFAOYAA
(4)Std. InChI: InChI=1S/C36H30O3Si3/c1-7-19-31(20-8-1)40(32-21-9-2-10-22-32)37-41(33-23-11-3-12-24-33,34-25-13-4-14-26-34)39-42(38-40,35-27-15-5-16-28-35)36-29-17-6-18-30-36/h1-30H
(5)Std. InChIKey: VCYDUTCMKSROID-UHFFFAOYSA-N