Trisiloxane,3-ethenyl-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]- (5356-84-3)

The IUPAC name of Vinyl tris(trimethylsiloxy)silane is Ethenyl-tris(trimethylsilyloxy)silane. With the CAS registry number 5356-84-3, it is also named as Trisiloxane,3-ethenyl-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-. The product's category is monomer. It is insoluble in water. Brsides, this chemical should be stored in closed, cool and dry warehouse which keep away from fire and inflammable and explosive area. In addition, it is clear colorless liquid. Its molecular formula is C₁₁H₃₀O₃Si₄ and molecular weight is 322.7.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 7.12; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.12; (4)ACD/LogD (pH 7.4): 7.12; (5)ACD/BCF (pH 5.5): 152399.45; (6)ACD/BCF (pH 7.4): 152399.45; (7)ACD/KOC (pH 5.5): 178466.56; (8)ACD/KOC (pH 7.4): 178466.56; (9)H bond acceptors: 3; (10)H bond donors: 0; (11)Freely Rotating Bonds: 7; (12)Polar Surface Area: 27.69 Å²; (13)Index of Refraction: 1.419; (14)Molar Refractivity: 92.84 cm³; (15)Molar Volume: 367.2 cm³; (16)Polarizability: 36.8×10^-24cm³; (17)Surface Tension: 17.8 dyne/cm; (18)Density: 0.878 g/cm³; (19)Flash Point: 95.5 °C; (20)Enthalpy of Vaporization: 46.67 kJ/mol; (21)Boiling Point: 249.1 °C at 760 mmHg; (22)Vapour Pressure: 0.0368 mmHg at 25 °C; (23)EINECS: 226-342-2.

Preparation of Vinyl tris(trimethylsiloxy)silane: this chemical can be prepared by Trichloro-vinyl-silane and Lithium trimethylsilanolate.



This reaction needs Tetrahydrofuran, Diethyl ether and Pentane by heating. The reaction time is 8 hours. The yield is 64 %.

Uses of Vinyl tris(trimethylsiloxy)silane: it can react with Hex-1-ene to get Dec-5-ene.



This reaction needs (PCy₃)₂Cl₂Ru(=CHPh) and CH₂Cl₂ by heating. The reaction time is 3 hours. The yield is 67 %.

When you are using this chemical, please be cautious about it as the following: Vinyl tris(trimethylsiloxy)silane is flammable and irritating to eyes, respiratory system and skin. Please keep away from sources of ignition and wear suitable protective clothing, gloves and eye/face protection when use it. Moreover, in case of contact with eyes, please rinse immediately with plenty of water and seek medical advice.

People can use the following data to convert to the molecule structure.
(1)SMILES:O([Si](C)(C)C)[Si](O[Si](C)(C)C)(O[Si](C)(C)C)\C=C
(2)InChI:InChI=1/C11H30O3Si4/c1-11-18(12-15(2,3)4,13-16(5,6)7)14-17(8,9)10/h11H,1H2,2-10H3
(3)InChIKey:CHEFFAKKAFRMHG-UHFFFAOYAF
(4)Std. InChI:InChI=1S/C11H30O3Si4/c1-11-18(12-15(2,3)4,13-16(5,6)7)14-17(8,9)10/h11H,1H2,2-10H3
(5)Std. InChIKey:CHEFFAKKAFRMHG-UHFFFAOYSA-N