2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane

Details:

1. Introduction of Tetravinyl tetramethyl cyclo tetrasiloxane

Tetravinyl tetramethyl cyclo tetrasiloxane (CAS NO.2554-06-5) is one kind of colorless transparent liquid. Besides, the IUPAC name of this product is 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane. In addition, it belongs to Si (Classes of Silicon Compounds); Siloxanes; Si-O Compounds; POSS Intermediates Polymer Science; Silicone Monomers Organometallic Reagents.

Our Tetravinyl tetramethyl cyclo tetrasiloxane has the high purity which is ≥98%. The detailed information of it is as follows:

Tetravinyl tetramethyl cyclo tetrasiloxane[CAS Register No：2554-06-5] 1、Name：Tetravinyl tetramethyl cyclo tetrasiloxane. 2、Molecular Formula：[CH3(CH2=CH)SiO]4 3、Stucture Formula： (-Vi=-CH=CH2) (-Me=-CH3) 4、Physical and Chemical Features：＝0.9875g／ml， boiling point 224-224.5℃，＝1.4342 5、Quality Specifications：purity≥98％，content of Vinyl≥29.5％ 6、Use：mainly used as additive（intermediate）in the production process of vinylsilicon oil、additional typesilastic,and is also one of the basic raw materials in synthesizing varieties of silastic. 7、 Package：plastic bucket,25kg;metal pail, 200kg;or packaged as users require.

2. Basic information of Tetravinyl tetramethyl cyclo tetrasiloxane

1) Properties:

(1)#H bond acceptors: 4; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 4; (4)Polar Surface Area: 36.92 Å²; (5)Index of Refraction: 1.454; (6)Molar Refractivity: 96.62 cm³; (7)Molar Volume: 356.3 cm³; (8)Polarizability: 38.3×10^-24 cm³; (9)Surface Tension: 20.6 dyne/cm; (10)Enthalpy of Vaporization: 46.53 kJ/mol; (11)Vapour Pressure: 0.0396 mmHg at 25°C; (12)Rotatable Bond Count: 4; (13)Exact Mass: 344.075165; (14)MonoIsotopic Mass: 344.075165; (15)Topological Polar Surface Area: 36.9; (16)Heavy Atom Count: 20; (17)Complexity: 341.

2) Descriptors of Structure:

(1)InChI: InChI=1S/C12H24O4Si4/c1-9-17(5)13-18(6,10-2)15-20(8,12-4)16-19(7,11-3)14-17/h9-12H,1-4H2,5-8H3
(2)InChIKey: VMAWODUEPLAHOE-UHFFFAOYSA-N
(3)Canonical SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C=C)(C)C=C)(C)C=C)C=C
(4)SMILES:O1[Si](O[Si](O[Si](O[Si]1(\C=C)C)(\C=C)C)(\C=C)C)(\C=C)C

3) Physical Properties:

Physical Property	Value	Units	Temp (deg C)	Source
Melting Point	-4.35E+01	deg C		EXP
Boiling Point	224	deg C		EXP
log P (octanol-water)	6.510	(none)		EST
Atmospheric OH Rate Constant	1.06E-10	cm3/molecule-sec	25	EST

4) Uses of Tetravinyl tetramethyl cyclo tetrasiloxane

Tetravinyl tetramethyl cyclo tetrasiloxane can be use to produce the coupling of vinyl compounds. The detailed steps are as follows: