trimethyl[(trimethylsilyl)methyl]silane

• ChemBase ID: 148276
• Molecular Formular: C7H20Si2
• Molecular Mass: 160.4047
• Monoisotopic Mass: 160.1103537
• SMILES: C[Si](C)(C)C[Si](C)(C)C
• Canonical SMILES: C[Si](C[Si](C)(C)C)(C)C
• InChI: InChI=1S/C7H20Si2/c1-8(2,3)7-9(4,5)6/h7H2,1-6H3
• InChIKey: GYIODRUWWNNGPI-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: trimethyl[(trimethylsilyl)methyl]silane
• IUPAC Traditional name: trimethyl[(trimethylsilyl)methyl]silane
• Synonyms: Methylenebis(trimethylsilane); Bis(trimethylsilyl)methane; 双三甲基甲硅烷; 双(三甲基硅基)甲烷

Database IDs

• CAS Number: 2117-28-4
• EC Number: 218-322-7
• MDL Number: MFCD00008275
• Beilstein Number: 1734530
• PubChem SID: 24857019; 162242452
• PubChem CID: 75029

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 4.3401
• LogD (pH = 7.4): 4.3401
• Log P: 4.3401
• Molar Refractivity: 37.6169 cm^3
• Polarizability: 19.496351 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -71 °C(lit.); -71°C
• Boiling Point: 132-133°C; 133-134 °C(lit.)
• Flash Point: 12°C(53°F); 13 °C; 55.4 °F
• Density: 0.750; 0.751 g/mL at 25 °C(lit.)
• Refractive Index: 1.4170; n20/D 1.417(lit.)

Safety Information

• European Hazard Symbols: Flammable (F); Irritant (Xi)
• UN Number: 1993; UN1993
• German water hazard class: 3
• Hazard Class: 3
• Packing Group: 2; II
• Risk Statements: 11-36/37/38
• Safety Statements: 26-37; 9-16-29-33-36/37/39
• TSCA Listed: 是
• GHS Pictograms: GHS02; GHS07
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H315-H319-H335
• GHS Precautionary statements: P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A; P210-P261-P305 + P351 + P338
• 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 2

Product Information

• Purity: 97%; 98%
• Linear Formula: [(CH3)3Si]2CH2

DETAILS

Sigma Aldrich - 282138

Packaging
5 g in ampule

REFERENCES

• Lithiation occurs in the presence of TMEDA. Peterson olefination (see Appendix 4) with aldehydes and ketones leads to TMS alkenes: J. Chem. Soc., Perkin 1, 2485 (1980).