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

1,1,3,3-Tetramethyl-1,3-divinyldisiloxane
Names
	Preferred IUPAC name 1,1,3,3-Tetramethyl-1,3-divinyldisiloxane
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	139 °C (282 °F; 412 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H226, H315, H319, H335, H413
Precautionary statements	P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, 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 (also referred to as tetramethyldivinyldisiloxane) is the organosilicon compound with the formula O(SiMe₂CH=CH₂)₂.

Tetramethyldivinyldisiloxane 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. It 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.