TETRAVINYLSILANE

The Tetravinylsilane, with the CAS registry number 1112-55-6 and EINECS registry number 214-192-0, has the IUPAC name of tetrakis(ethenyl)silane. It is a kind of clear yellow liquid, and belongs to the the following product categories: Others; monomer; Organometallic Reagents; Organosilicon. And the molecular formula of the chemical is C₈H₁₂Si.

The characteristics of Tetravinylsilane are as followings: (1)ACD/LogP: 3.56; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.56; (4)ACD/LogD (pH 7.4): 3.56; (5)ACD/BCF (pH 5.5): 300.7; (6)ACD/BCF (pH 7.4): 300.7; (7)ACD/KOC (pH 5.5): 2067.51; (8)ACD/KOC (pH 7.4): 2067.51; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 0 Å²; (13)Index of Refraction: 1.441; (14)Molar Refractivity: 46.73 cm³; (15)Molar Volume: 176.7 cm³; (16)Polarizability: 18.52×10^-24cm³; (17)Surface Tension: 18.3 dyne/cm; (18)Density: 0.771 g/cm³; (19)Flash Point: 6.1 °C; (20)Enthalpy of Vaporization: 35.26 kJ/mol; (21)Boiling Point: 130.2 °C at 760 mmHg; (22)Vapour Pressure: 12 mmHg at 25°C. 

Preparation of Tetravinylsilane: This chemical can be prepared by trivinyl-silane and vinylmagnesium chloride. The reaction will need reagent tetrahydrofuran. The reaction time is 2 hours with temperature of 50°C, and the yield is about 61.4%. 

Uses of Tetravinylsilane: It can react with tribromomethane to produce 1,1,3-tribromo-3-trivinylsilylpropane. This reaction will need reagent Fe(CO)₅ and (C₆H₅)₃P. The reaction time is 6 hours with temperature of 120°C, and the yield is about 79.7%.   

You should be cautious while dealing with this chemical. It is a kind of highly flammable which irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Keep away from sources of ignition - No smoking; Wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: C=C\[Si](\C=C)(\C=C)\C=C
(2)InChI: InChI=1/C8H12Si/c1-5-9(6-2,7-3)8-4/h5-8H,1-4H2
(3)InChIKey: UFHILTCGAOPTOV-UHFFFAOYAE