A7968612
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane , >97.0%(GC) , 2554-06-5
Synonym(s):
2,4,6,8-Tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxane
CAS NO.：2554-06-5
Empirical Formula: C12H24O4Si4
Molecular Weight: 344.66
MDL number: MFCD00040293
EINECS: 219-863-1
| Pack Size | Price | Stock | Quantity |
| 5G | RMB24.00 | In Stock |
|
| 25G | RMB35.20 | In Stock |
|
| 100G | RMB100.80 | In Stock |
|
| 250g | RMB248.80 | In Stock |
|
| 500G | RMB494.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | −44 °C (dec.)(lit.) |
| Boiling point: | 111-112 °C10 mm Hg(lit.) |
| Density | 0.997 g/mL at 25 °C(lit.) |
| vapor pressure | 93.5Pa at 25℃ |
| refractive index | n |
| Flash point: | 210 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Miscible with most organic solvents. |
| form | liquid |
| Specific Gravity | 0.998 |
| color | Colorless to Almost colorless |
| Water Solubility | 7μg/L at 23℃ |
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions |
| BRN | 1807272 |
| LogP | 6.47 |
| CAS DataBase Reference | 2554-06-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane(2554-06-5) |
| EPA Substance Registry System | Cyclotetrasiloxane, 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl- (2554-06-5) |
Description and Uses
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.
