2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane, 97%

Description

CAS: 2554-06-5 | C9H12O2 | 152.19 g/mol

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.

Specifications

Chemical Identifiers

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

• Boiling Point: 110°C (10mmHg)
• Melting Point: -43°C
• Quantity: 50 g
• Molecular Formula: C12H24O4Si4
• Beilstein: 1807272
• Flash Point: 112°C (233°F)
• 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
• Solubility Information: Miscible with most organic solvents.
• InChI Key: VMAWODUEPLAHOE-UHFFFAOYSA-N
• SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C=C)(C)C=C)(C)C=C)C=C
• IUPAC Name: 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• Molecular Weight (g/mol): 344.66
• PubChem CID: 75706
• Formula Weight: 344.67
• Percent Purity: 97%
• Refractive Index: 1.434
• Density: 0.997
• Chemical Name or Material: 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H319 Causes serious eye irritation.
Precautionary Statement	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.
EINECSNumber	219-863-1
RTECSNumber	GZ4550000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only