2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane CAS NO.2554-06-5

1. Introduction of2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
With the CAS registry number 2554-06-5, 2,4,6,8-Tetr…

1. Introduction of 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
With the CAS registry number 2554-06-5, 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane is also named as S-Tetramethyltetravinylcyclotetrasiloxane. The IUPAC name of  it is 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane. The product's categories are Si (Classes of Silicon Compounds); Siloxanes; Si-O Compounds; POSS Intermediates Polymer Science; Silicone Monomers Organometallic Reagents. It is colorless transparent liquid which should be sealed in the container and stored in the cool and dry place.

2. Properties of 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
(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.

3. Structure Descriptors of 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
1. SMILES:O1[Si](O[Si](O[Si](O[Si]1(\C=C)C)(\C=C)C)(\C=C)C)(\C=C)C
2. InChI:InChI=1/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
3. InChIKey:VMAWODUEPLAHOE-UHFFFAOYAO

4. Toxicity of 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LC	inhalation	> 1320mg/m3/4H (1320mg/m3)		National Technical Information Service. Vol. OTS0572745,
rat	LD50	oral	> 15gm/kg (15000mg/kg)		National Technical Information Service. Vol. OTS0572732,

5. Safety Information of 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
Hazard Symbols:
Risk Codes:
R26Very toxic by inhalation.
Safety Description:
S26In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36Wear suitable protective clothing.

6. Use of 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane can react with dichloro-methyl-silaneto get 2,4,6,8-tetrakis-[2-(dichloro-methyl-silanyl)-ethyl]-2,4,6,8-tetramethyl-[1,3,5,7,2,4,6,8]tetroxatetrasilocane. This reaction needs catalytic agent H2PtCl6*6H2O and solvent toluene at temperature of 50 °C.


7. Other details of 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing.