triethyl[(triethylsilyl)oxy]silane

• ChemBase ID: 111797
• Molecular Formular: C12H30OSi2
• Molecular Mass: 246.537
• Monoisotopic Mass: 246.18351864
• SMILES: CC[Si](CC)(CC)O[Si](CC)(CC)CC
• Canonical SMILES: CC[Si](O[Si](CC)(CC)CC)(CC)CC
• InChI: InChI=1S/C12H30OSi2/c1-7-14(8-2,9-3)13-15(10-4,11-5)12-6/h7-12H2,1-6H3
• InChIKey: WILBTFWIBAOWLN-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: triethyl[(triethylsilyl)oxy]silane
• IUPAC Traditional name: disiloxane, hexaethyl-
• Synonyms: HEXAETHYL DISILOXANE; Hexaethyldisiloxane; 六乙基二硅氧烷

Database IDs

• CAS Number: 994-49-0
• EC Number: 213-619-8
• MDL Number: MFCD00026693
• Beilstein Number: 1750865
• PubChem SID: 162106546; 24874131
• PubChem CID: 70442

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): 4.8716
• LogD (pH = 7.4): 4.8716
• Log P: 4.8716
• Molar Refractivity: 64.3556 cm^3
• Polarizability: 29.393211 Å^3
• Polar Surface Area: 9.23 Å^2
• Rotatable Bonds: 8
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -115°C
• Boiling Point: 128°C; 231°C; 233-236 °C(lit.)
• Flash Point: 181 °F; 83 °C; 87°C(188°F)
• Density: 0.840; 0.843 g/mL at 25 °C(lit.); 1.433 g/ml
• Refractive Index: 1.4330; n20/D 1.433(lit.)

Safety Information

• European Hazard Symbols: Flammable (F)
• German water hazard class: 3
• Risk Statements: R:10
• Safety Statements: 23-24/25; S:9-16-29
• TSCA Listed: 是
• GHS Hazard statements: H227
• GHS Precautionary statements: P210-P280-P370+P378A-P403+P235-P501A

Product Information

• Purity: ≥99.0% (GC); 99%
• Linear Formula: (C2H5)3SiOSi(C2H5)3

DETAILS

MP Biomedicals - 05221067

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 52042

Other Notes
Poor silylating agent for acids1