1,2-diethoxy-1,1,2,2-tetramethyldisilane

• ChemBase ID: 140739
• Molecular Formular: C8H22O2Si2
• Molecular Mass: 206.43008
• Monoisotopic Mass: 206.11583301
• SMILES: CCO[Si](C)(C)[Si](C)(C)OCC
• Canonical SMILES: CCO[Si]([Si](OCC)(C)C)(C)C
• InChI: InChI=1S/C8H22O2Si2/c1-7-9-11(3,4)12(5,6)10-8-2/h7-8H2,1-6H3
• InChIKey: GWIVSKPSMYHUAK-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 1,2-diethoxy-1,1,2,2-tetramethyldisilane
• IUPAC Traditional name: 1,2-diethoxy-1,1,2,2-tetramethyldisilane
• Synonyms: 1,2-Diethoxy-1,1,2,2-tetramethyldisilane; 1,2-二乙氧基-1,1,2,2-四甲基二硅烷

Database IDs

• CAS Number: 18419-84-6
• MDL Number: MFCD08276886
• PubChem SID: 24884946; 162234979
• PubChem CID: 11275774

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): 0.9092
• LogD (pH = 7.4): 0.9092
• Log P: 0.9092
• Molar Refractivity: 47.3738 cm^3
• Polarizability: 22.719975 Å^3
• Polar Surface Area: 18.46 Å^2
• Rotatable Bonds: 5
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Boiling Point: 84 °C/50 mmHg
• Flash Point: 107.6 °F; 42 °C
• Density: 0.836 g/mL at 25 °C
• Refractive Index: n20/D 1.423

Safety Information

• UN Number: 1993
• German water hazard class: 3
• Hazard Class: 3
• Packing Group: 3
• Risk Statements: 10
• GHS Pictograms: GHS02
• GHS Signal Word: Warning
• GHS Hazard statements: H226
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1993 3/PG 3

Product Information

• Purity: 97%
• Linear Formula: ((CH3CH2O)(CH3)2Si)2

DETAILS

Sigma Aldrich - 667897

Application
Disilane reagent used to prepare dimethylsilanol cross-coupling partners.1
Packaging
1, 5 g in glass bottle
Protocols & Applications
Cross-Coupling using Organosilanols as Powerful Nucleophiles