ChemicalBook > CAS DataBase List > 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane

2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane

Product Name
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
CAS No.
2554-06-5
Chemical Name
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
Synonyms
2,4,6,8-TETRAMETHYL-2,4,6,8-TETRAVINYLCYCLOTETRASILOXANE;Tetravinyltetramethylcyclotetrasiloxane;DK706;2,4,6,8-TETRAM;Vinyl ring body;Vinylmethylcyclosiloxane;METHYLVINYLCYCLOSILOXANE;Methyl tetravinyl cyclotetrasiloxane;tetravinyl-tetramethylcyclo-tetrasiloxane;s-tetramethyltetravinylcyclotetrasiloxane
CBNumber
CB9446902
Molecular Formula
C12H24O4Si4
Formula Weight
344.66
MOL File
2554-06-5.mol
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2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane Property

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 
n20/D 1.435
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)
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Safety

Hazard Codes 
Xi
Risk Statements 
36
Safety Statements 
26-36
WGK Germany 
1
RTECS 
GZ4550000
F 
10
TSCA 
Yes
HS Code 
29319090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
396281
Product name
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane
Packaging
10ml
Price
$46
Updated
2024/03/01
Sigma-Aldrich
Product number
396281
Product name
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane
Packaging
50ml
Price
$131
Updated
2024/03/01
TCI Chemical
Product number
T2523
Product name
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane
Purity
>97.0%(GC)
Packaging
5g
Price
$16
Updated
2024/03/01
TCI Chemical
Product number
T2523
Product name
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane
Purity
>97.0%(GC)
Packaging
25g
Price
$35
Updated
2024/03/01
Alfa Aesar
Product number
L16645
Product name
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane, 97%
Packaging
50g
Price
$78.4
Updated
2024/03/01
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2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane Chemical Properties,Usage,Production

Chemical Properties

Colorless transparent liquid

Physical properties

bp 224–224.5 °C.

Uses

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.

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.

General Description

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.

Flammability and Explosibility

Non flammable

Purification Methods

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-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane Preparation Products And Raw materials

Raw materials

Preparation Products

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2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane Suppliers

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View Lastest Price from 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane manufacturers

Hubei Changfu Chemical Co., Ltd.
Product
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane 2554-06-5
Price
US $0.00/kg
Min. Order
1kg
Purity
98
Supply Ability
20 tons
Release date
2024-03-13
Hebei Kingfiner Technology Development Co.Ltd
Product
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane 2554-06-5
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
50000kg
Release date
2023-11-16
Hebei Mojin Biotechnology Co., Ltd
Product
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane 2554-06-5
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-08-21

2554-06-5, 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane Related Search:

Decamethylcyclopentasiloxane 1,1,3,3-Tetramethyldisiloxane Vinyltris(methylethylketoxime)silane Vinylmethyldimethoxysilane Methyltris(methylethylketoxime)silane DODECAMETHYLCYCLOHEXASILOXANE Hexamethylcyclotrisiloxane 1,1,3,3,5,5-hexamethyl-1,3,5-trisilacyclohexane Poly(dimethylsiloxane) Hexamethyldisiloxane Octamethylcyclotetrasiloxane 1,1,3,3,5,5-HEXAMETHYLTRISILOXANE PLATINUM CARBONYL CYCLOVINYLMETHYLSILOXANE COMPLEX 2,4,6,8-Tetramethylcyclotetrasiloxane 1,3,5,7-Tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane,2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane HEPTAMETHYL CYCLOTETRASILOXANE 1,1,3,3,5,5,7,7-OCTAMETHYLTETRASILOXANE

  • s-tetramethyltetravinylcyclotetrasiloxane
  • Tetravinyltetramethylcyclotetrasiloxane
  • tetravinyl-tetramethylcyclo-tetrasiloxane
  • 2,4,6,8-TETRAMETHYL-2,4,6,8-TETRAVINYLCYCLOTETRASILOXANE
  • 2,4,6,8-TETRAMETHYLTETRAVINYLCYCLOTETRASILOXANE
  • 1,3,5,7-TETRAVINYLTETRAMETHYLCYCLOTETRASILOXANE
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  • 2,4,6,8-TETRAMETHYL2,4,6,8-TETRAVINYLCYCLO-TETRASILOXANE 99%
  • 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
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  • 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-
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  • 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
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  • 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
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  • 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
  • Vinyl ring body
  • Methyl tetravinyl cyclotetrasiloxane
  • 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