Factory Price 2, 4, 6, 8-Tetravinyl-2, 4, 6, 8-Tetramethylcyclotetrasiloxane CAS 2554-06-5
Typical Properties for 2, 4, 6, 8-Tetravinyl-2, 4, 6, 8-Tetramethylcyclotetrasiloxane CAS 2554-06-5
Melting point | −44 °C (dec.)(lit.) |
Boiling point | 111-112 °C10 mm Hg(lit.) |
density | 0.997 g/mL at 25 °C(lit.) |
refractive index | n20/D 1.435 |
Fp | 210 °F |
storage temp. | 2-8°C |
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane is used as an intermediate in organic synthesis. It is used in the preparation of 4-vinyl-benzoic acid ethyl ester. Further, it is used to prepare styrene derivatives by cross-coupling with aryl bromide in the presence of palladium catalyst.