1,1,3,3-Tetramethyl-1,3-divinyldisiloxane

1,1,3,3-Tetramethyl-1,3-divinyldisiloxane
Names
	IUPAC name ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane
Identifiers
CAS Number	2627-95-4;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1878672;
ChemSpider	68328;
ECHA InfoCard	100.018.273
EC Number	220-099-6;
PubChem CID	75819;
UNII	SJ4D71ZQF4;
CompTox Dashboard (EPA)	DTXSID7038810 ;
	InChI InChI=1S/C8H18OSi2/c1-7-10(3,4)9-11(5,6)8-2/h7-8H,1-2H2,3-6H3 Key: BITPLIXHRASDQB-UHFFFAOYSA-N;
	SMILES C[Si](C)(C=C)O[Si](C)(C)C=C;
Properties
Chemical formula	C8H18OSi2
Molar mass	186.401 g·mol−1
Appearance	colorless liquid
Density	0.811 g/cm3
Melting point	−99.7 °C (−147.5 °F; 173.5 K)
Boiling point	39 °C (102 °F; 312 K)
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H225, H226, H315, H319, H335, H413
GHS precautionary statements	P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P302+352, P303+361+353, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P370+378, P403+233, P403+235, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

1,1,3,3-Tetramethyl-1,3-divinyldisiloxane is the organosilicon compound with the formula O(SiMe₂CH=CH₂)₂ (Me = methyl). Usually referred to as tetramethyldivinyldisiloxane, it is a colorless liquid that is employed as a ligand in organometallic chemistry and homogeneous catalysis.[1] The ligand is a component of Karstedt's catalyst. Tetramethyldivinyldisiloxane was first prepared by hydrolysis of vinyldimethylmethoxysilane, (CH₂=CH)Me₂SiOMe.[2]

References

Krause, Jochen; Cestaric, Günter; Haack, Karl-Josef; Seevogel, Klaus; Storm, Werner; Pörschke, Klaus-Richard (1999). "1,6-Diene Complexes of Palladium(0) and Platinum(0): Highly Reactive Sources for the Naked Metals and [L−M0] Fragments". Journal of the American Chemical Society. 121 (42): 9807–9823. doi:10.1021/ja983939h.
Kantor, Simon W.; Osthoff, Robert C.; Hurd, Dallas T. (1955). "Methylvinylpolysiloxanes". Journal of the American Chemical Society. 77 (6): 1685–1687. doi:10.1021/ja01611a090.

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[1] Krause, Jochen; Cestaric, Günter; Haack, Karl-Josef; Seevogel, Klaus; Storm, Werner; Pörschke, Klaus-Richard (1999). "1,6-Diene Complexes of Palladium(0) and Platinum(0): Highly Reactive Sources for the Naked Metals and [L−M0] Fragments". Journal of the American Chemical Society. 121 (42): 9807–9823. doi:10.1021/ja983939h.

[2] Kantor, Simon W.; Osthoff, Robert C.; Hurd, Dallas T. (1955). "Methylvinylpolysiloxanes". Journal of the American Chemical Society. 77 (6): 1685–1687. doi:10.1021/ja01611a090.