2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

• ChemBase ID: 149904
• Molecular Formular: C12H24O4Si4
• Molecular Mass: 344.65856
• Monoisotopic Mass: 344.07516538
• SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C=C)(C)C=C)(C)C=C)C=C
• Canonical SMILES: C=C[Si]1(C)O[Si](C)(C=C)O[Si](O[Si](O1)(C)C=C)(C)C=C
• InChI: 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
• InChIKey: VMAWODUEPLAHOE-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• IUPAC Traditional name: 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• Synonyms: 2,4,6,8-Tetramethyl-2,4,6,8-tetravinyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane; 2,4,6,8-Tetramethyltetravinylcyclotetrasiloxane; 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane; 2,4,6,8-四甲基-2,4,6,8-四乙烯基环四硅氧烷; 2,4,6,8-四甲基四乙烯基环四硅氧烷

Database IDs

• CAS Number: 2554-06-5
• EC Number: 219-863-1
• MDL Number: MFCD00040293
• Beilstein Number: 1807272
• PubChem SID: 162244066; 24889009; 24864664
• PubChem CID: 75706

CALCULATED PROPERTIES

• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): 3.984
• LogD (pH = 7.4): 3.984
• Log P: 3.984
• Molar Refractivity: 67.1128 cm^3
• Polarizability: 35.673107 Å^3
• Polar Surface Area: 36.92 Å^2
• Rotatable Bonds: 4
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -43°C; -44 °C (dec.)(lit.)
• Boiling Point: 110°C/10mm; 111-112 °C/10 mmHg(lit.)
• Flash Point: 100 °C; 112°C(233°F); 212 °F
• Density: 0.987 g/mL at 20 °C(lit.); 0.997; 0.997 g/mL at 25 °C(lit.)
• Refractive Index: 1.4340; n20/D 1.434(lit.); n20/D 1.435

Safety Information

• RTECS: GZ4550000
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 3
• Risk Statements: 36
• Safety Statements: 26-36; 26-60
• TSCA Listed: 是
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H319
• GHS Precautionary statements: P280-P264-P305+P351+P338-P337+P313; P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• Storage Temperature: 2-8°C

Product Information

• Purity: ≥97.0% (GC); 97%
• Grade: purum
• Linear Formula: [-Si(CH3)(CH=CH2)O-]4
• Empirical Formula (Hill Notation): C12H24O4Si4

DETAILS

Sigma Aldrich - 396281

Packaging
10, 50 mL in poly bottle
In the presence of a Pd catalyst, this reagent cross-couples with aryl bromides to give styrene derivatives.1

REFERENCES

• Starting material for carbosilane based spherical dendritic macromolecules: Synthesis, 105 (1998).