2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane, 97%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11309305	Thermo Scientific Alfa Aesar L16645.18	50 g
11319305	Thermo Scientific Alfa Aesar L16645.30	250 g

Description

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
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.

Solubility
Miscible with most organic solvents.

Notes
Moisture sensitive. Incompatible with acids, bases and strong oxidizing agents.

Chemical Identifiers

• CAS: 2554-06-5
• MDL Number: MFCD00040293

Specifications

• Boiling Point: 110°C (10mmHg)
• CAS: 2554-06-5
• MDL Number: MFCD00040293
• Flash Point: 112°C (233°F)
• Solubility Information: Miscible with most organic solvents.
• SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C=C)(C)C=C)(C)C=C)C=C
• Molecular Weight (g/mol): 344.66
• Formula Weight: 344.67
• Refractive Index: 1.434
• Chemical Name or Material: 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane

• Melting Point: -43°C
• Molecular Formula: C12H24O4Si4
• Beilstein: 1807272
• Synonym: 2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane, 2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, cyclotetrasiloxane, 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl, 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane, 1,3,5,7-tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane, 2,4,6,8-tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane, tetravinyltetramethylcyclotetrasiloxane, s-tetramethyltetravinylcyclotetrasiloxane, unii-3nt606t1vk, cyclotetrasiloxane, tetraethenyltetramethyl
• InChI Key: VMAWODUEPLAHOE-UHFFFAOYSA-N
• IUPAC Name: 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• PubChem CID: 75706
• Percent Purity: 97%
• Density: 0.997

Safety and Handling

GHS H Statement
H319
Causes serious eye irritation.

GHS P Statement
P280-P264-P305+P351+P338-P337+P313
Wear protective gloves/protective clothing/eye protection/face protection.
Wash thoroughly after handling.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.

Warning

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missing translation for 'rtecsNumber' : GZ4550000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only