2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan
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- CAS-Nr.
- 2554-06-5
- Bezeichnung:
- 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan
- Englisch Name:
- 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
- Synonyma:
- 2,4,6,8-TETRAMETHYL-2,4,6,8-TETRAVINYLCYCLOTETRASILOXANE;Tetravinyltetramethylcyclotetrasiloxane;DK706;2,4,6,8-TETRAM;Vinyl ring body;Vinylmethylcyclosiloxane;METHYLVINYLCYCLOSILOXANE;tetravinyl-tetramethylcyclo-tetrasiloxane;s-tetramethyltetravinylcyclotetrasiloxane;Tetravinyl tetramethylcyelo tetrasiloxane
- CBNumber:
- CB9446902
- Summenformel:
- C12H24O4Si4
- Molgewicht:
- 344.66
- MOL-Datei:
- 2554-06-5.mol
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2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan Eigenschaften
- Schmelzpunkt:
- −44 °C (dec.)(lit.)
- Siedepunkt:
- 111-112 °C10 mm Hg(lit.)
- Dichte
- 0.997 g/mL at 25 °C(lit.)
- Dampfdruck
- 93.5Pa at 25℃
- Brechungsindex
- n20/D 1.435
- Flammpunkt:
- 210 °F
- storage temp.
- Keep in dark place,Sealed in dry,Room Temperature
- Löslichkeit
- Miscible with most organic solvents.
- Aggregatzustand
- liquid
- Wichte
- 0.998
- Farbe
- Colorless to Almost colorless
- Wasserlöslichkeit
- 7μg/L at 23℃
- Hydrolytic Sensitivity
- 4: no reaction with water under neutral conditions
- BRN
- 1807272
- LogP
- 6.47
- CAS Datenbank
- 2554-06-5(CAS DataBase Reference)
- NIST chemische Informationen
- 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane(2554-06-5)
- EPA chemische Informationen
- Cyclotetrasiloxane, 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl- (2554-06-5)
Sicherheit
- Risiko- und Sicherheitserklärung
- Gefahreninformationscode (GHS)
| Kennzeichnung gefährlicher |
Xi |
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| R-Sätze: |
36 |
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| S-Sätze: |
26-36 |
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| WGK Germany |
1 |
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| RTECS-Nr. |
GZ4550000 |
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| F |
10 |
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| TSCA |
Yes |
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| HS Code |
29319090 |
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| Bildanzeige (GHS) |
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| Alarmwort |
Warnung |
| Gefahrenhinweise |
| Code |
Gefahrenhinweise |
Gefahrenklasse |
Abteilung |
Alarmwort |
Symbol |
P-Code |
| H319 |
Verursacht schwere Augenreizung. |
Schwere Augenreizung |
Kategorie 2 |
Warnung |
![GHS hazard pictograms]() src="/GHS07.jpg" width="20" height="20" /> |
P264, P280, P305+P351+P338,P337+P313P |
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| Sicherheit |
| P305+P351+P338 |
BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen. |
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2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan Chemische Eigenschaften,Einsatz,Produktion Methoden
R-Sätze Betriebsanweisung:
R36:Reizt die Augen.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
Colorless transparent liquid
Physikalische Eigenschaften
bp 224–224.5 °C.
Verwenden
2,4,6,8-Tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxane (1) (D4V) and the trimer, 2,4,6-triethenyl-2,4,6- trimethylcyclotrisiloxane (2) (D3V) are the two commercially available cyclic polyvinylmethylsiloxanes. D4 V is used as a vinyl donor in the palladium-catalyzed vinylation of aryl halides and as a building block in polymer chemistry and dendrimer synthesis. The palladium-catalyzed vinylation of substituted aryl halides using D4 V is a general and mild method for the preparation of a variety of substituted styrenes or dienes.It is widely used as reagent for the vinylation of aryl halides and building block for
carbosilane dendrimers.
Allgemeine Beschreibung
In the presence of a Pd catalyst, this reagent cross-couples with aryl bromides to give styrene derivatives.
Hazard
Low toxicity by ingestion and inhalation.
läuterung methode
A 7mL sample can be distilled in a small Vigreux column (p 11) at atmospheric pressure without polymerisation or decomposition. It is soluble in cyclohexane. [Kantor et al. J Am Chem Soc 77 1685 1955, Beilstein 4 IV 4184.]
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
Global( 264)Lieferanten
2554-06-5(2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan)Verwandte Suche:
Decamethylcyclopentasiloxan
1,1,3,3-Tetramethyldisiloxan
Butan-2-on-O,O',O''-(vinylsilylidyn)trioxim
Butan-2-on-O,O',O''-(methylsilyli-dyn)trioxim
Dodecamethylcyclohexasiloxan
Hexamethylcyclotrisiloxan
1,1,3,3,5,5-hexamethyl-1,3,5-trisilacyclohexane
Poly(dimethylsiloxane)
Hexamethyldisiloxan
Octamethylcyclotetrasiloxan
1,3,3,5,5-Hexamethyltrisiloxan
Tetramethyltetravinylcyclotetrasiloxan
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxan
1,1,3,3,5,5,7,7-Octamethyltetrasiloxan
- s-tetramethyltetravinylcyclotetrasiloxane
- tetravinyl-tetramethylcyclo-tetrasiloxane
- 2,4,6,8-TETRAMETHYLTETRAVINYLCYCLOTETRASILOXANE
- 1,3,5,7-TETRAVINYLTETRAMETHYLCYCLOTETRASILOXANE
- METHYLVINYLCYCLOSILOXANE
- 2,4,6,8-TETRAMETHYL2,4,6,8-TETRAVINYLCYCLO-TETRASILOXANE 99%
- 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
- Vinylmethylcyclosiloxane
- 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane ,97%
- 2,4,6,8-Tetraethenyl-2,4,6,8-tetramethylcyclooctanetetrasiloxane
- 2,4,6,8-Tetramethyl-2,4,6,8-tetravinyl-1,3,5,7-tetraoxa 2,4,6,8-tetrasilacyclooctane
- 2,4,6,8-Tetramethyl-2,4,6,8-tetravinyl-1,3,5,7-tetraoxa-2,4,6,8-tetrasilacyclooctane
- 2,4,6,8-TerraMethyl-2,4,6,8-tetraevinylcycltetrasiloxane
- Cyclotetrasiloxane, 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-
- Cyclotetrasiloxane,2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-
- Tetravinyl tetramethylcyelo tetrasiloxane
- Tetramethyltetravinylcyclotetrasiloxane/2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane
- 1,3,5,7-Tetramethyl-1,3,5,7-etravinylcyclotetrasiloxane
- 1,3,5,7-tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane
- 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-cyclotetrasiloxan
- 2,4,6,8-tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxane
- 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-Cyclotetrasiloxane
- 13,5,7-tetraethenyl-1,3,5,7-tetramethylcyclotetraslioxane
- 2,4,6,8-Tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxane(ViD4)
- 2,4,6,8-TETRAM
- 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
- 2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-2,4,6,8-tetrasila-1,3,5,7-tetraoxacyclooctane
- Cyclotetrasiloxane,2,4,6,8-tetramethyl-2,4,6,8-tetravinyl
- 1,3,5,7 tetramethyl-tetravinylcyclotetra siloxane
- 1,3,5,7-Tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane VMC
- TIANFUCHEM--2554-06-5--2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane in stock
- Tetravinyltetramethylcyclotetrasiloxane
- 2,4,6,8-TETRAMETHYL-2,4,6,8-TETRAVINYLCYCLOTETRASILOXANE
- Vinyl ring body
- DK706
- 2554-06-5
- 2554-6-5
- C12H24O4Si4
- -SiCH3CHCH2O4
- Siloxanes
- Organometallic Reagents
- Organosilicon
- POSS IntermediatesPolymer Science
- Silicone MonomersOrganometallic Reagents
- Monomers
- Organosilicon
- POSS? Precursors and Intermediates
- Silsesquioxanes: POSS? Nanohybrids
- Si (Classes of Silicon Compounds)
- Siloxanes
- Si-O Compounds
