methylbis(trimethylsilyl)amine

• ChemBase ID: 137477
• Molecular Formular: C7H21NSi2
• Molecular Mass: 175.41934
• Monoisotopic Mass: 175.12125274
• SMILES: CN([Si](C)(C)C)[Si](C)(C)C
• Canonical SMILES: CN([Si](C)(C)C)[Si](C)(C)C
• InChI: InChI=1S/C7H21NSi2/c1-8(9(2,3)4)10(5,6)7/h1-7H3
• InChIKey: ZSMNRKGGHXLZEC-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: methylbis(trimethylsilyl)amine
• IUPAC Traditional name: methylbis(trimethylsilyl)amine
• Synonyms: N,N-Bis(trimethylsilyl)methylamine; Heptamethyldisilazane; N,1,1,1-Tetramethyl-N-(trimethylsilyl)silanamine; Heptamethyldisilazane; N,N-Bis(trimethylsilyl)methylamine; N,N-二(三甲硅基)甲胺; 七甲基二硅氮烷; 七甲基二硅氮烷; N,N-双(三甲基甲硅烷基)甲胺

Database IDs

• CAS Number: 920-68-3
• EC Number: 213-061-5
• MDL Number: MFCD00008262
• Beilstein Number: 1737290
• PubChem SID: 24849225; 162231739; 24854072
• PubChem CID: 70199

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): -0.64943427
• LogD (pH = 7.4): -0.64631534
• Log P: 2.8271
• Molar Refractivity: 43.3782 cm^3
• Polarizability: 21.020016 Å^3
• Polar Surface Area: 3.24 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Boiling Point: 144-147 °C(lit.); 150 °C(lit.)
• Flash Point: 28 °C; 82 °F; 82.4 °F
• Density: 0.797 g/mL at 25 °C(lit.); 0.799 g/mL at 20 °C(lit.)
• Refractive Index: n20/D 1.421(lit.)
• Vapor Density: >1 (vs air)

Safety Information

• European Hazard Symbols: Irritant (Xi)
• UN Number: 1993
• German water hazard class: 3
• Hazard Class: 3
• Packing Group: 3
• Risk Statements: 10-36/37/38
• Safety Statements: 26-36
• GHS Pictograms: GHS02; GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H226-H315-H319-H335
• GHS Precautionary statements: P261-P305 + P351 + P338
• RID/ADR: UN 1993 3/PG 3

Product Information

• Purity: ≥97.0% (GC); 95+%; 97%
• Grade: for GC derivatization
• Linear Formula: (CH3)3SiN(CH3)Si(CH3)3
• Empirical Formula (Hill Notation): C7H21NSi2

DETAILS

Sigma Aldrich - 15235

Other Notes
Reagent for methylamination of acid halides, e.g. a phosphorus fluoride1
Packaging
50 mL in glass bottle