396281

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

• Synonym(s): 2,4,6,8-Tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxane
• Linear Formula: [-Si(CH₃)(CH=CH₂)O-]₄
• CAS Number: 2554-06-5
• Molecular Weight: 344.66
• EC Number: 219-863-1
• MDL number: MFCD00040293
• UNSPSC Code: 12162002
• PubChem Substance ID: 24864664
• NACRES: NA.23

Properties

• form: liquid
• Quality Level: 100
• refractive index: n20/D 1.434 (lit.)
• bp: 111-112 °C/10 mmHg (lit.)
• mp: −44 °C (dec.) (lit.)
• density: 0.997 g/mL at 25 °C (lit.)
• SMILES string: C[Si]1(O[Si](C)(O[Si](C)(O[Si](C)(O1)C=C)C=C)C=C)C=C
• InChI: 1S/C12H24O4Si4/c1-9-17(5)13-18(6,10-2)15-20(8,12-4)16-19(7,11-3)14-17/h9-12H,1-4H2,5-8H3
• InChI key: VMAWODUEPLAHOE-UHFFFAOYSA-N

Description

General description

In the presence of a Pd catalyst, this reagent cross-couples with aryl bromides to give styrene derivatives.

Application

• Cyclic siloxanes conjugated with fluorescent aromatic compounds as fluoride sensors: This study explores the use of cyclic siloxanes conjugated with aromatic compounds for sensing applications, offering a pathway for academic chemists interested in sensor technology and fluorescence studies (N Prigyai et al., 2020).
• Synthesis, film morphology and performance of novel crosslinked polysiloxane with end-capped epoxy groups on cotton substrates: This article examines the chemical modification of cotton substrates using polysiloxane derivatives, which can be crucial for developing advanced textile coatings (L Hao et al., 2014).
• Stabilizing Li-rich layered oxide cathode interface by using silicon-based electrolyte additive: This research investigates the use of a silicon-based additive derived from 2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane to enhance the stability of lithium-rich cathodes, important for chemists working with energy storage technologies (T Huang et al., 2024).

Safety Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H360FD
• pcodes: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Repr. 1B
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 1
• flash_point_f: 190.4 °F - closed cup
• flash_point_c: 88 °C - closed cup
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter