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Molecule
Lithium Bis(Trimethylsilyl)Amide
CAS: 4039-32-1 · C6H19LiNSi2
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 4039-32-1
- Molecular Formula
- C6H19LiNSi2
- Molecular Mass
- 168.34 g/mol
Identifiers
CAS Registry Number
4039-32-1
SMILES
C[Si](C)(C)N[Si](C)(C)C.[Li]
InChI Key
QQIRAVWVGBTHMJ-UHFFFAOYSA-N
InChI
InChI=1S/C6H19NSi2.Li/c1-8(2,3)7-9(4,5)6;/h7H,1-6H3;
Names and Synonyms
- Lithium Bis(Trimethylsilyl)Amide Synonym
- Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, lithium salt (1:1) Synonym
- Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, lithium salt Synonym
- Lithium, [bis(trimethylsilyl)amino]- Synonym
- Disilazane, 1,1,1,3,3,3-hexamethyl-, lithium salt Synonym
- Disilazane, 1,1,1,3,3,3-hexamethyl-, Li deriv. Synonym
- Lithium hexamethyldisilazane Synonym
- Bis(trimethylsilyl)amidolithium Synonym
- Hexamethyldisilazane lithium salt Synonym
- Lithium bis(trimethylsilyl)amine Synonym
- Lithium hexamethyldisilazide Synonym
- 1,1,1,3,3,3-Hexamethyldisilazane lithium salt Synonym
- Lithiobis(trimethylsilyl)amide Synonym
- Lithium hexamethyldisilazanide Synonym
- Lithiohexamethyldisilazane Synonym
- Lithium bis(trimethylsilyl)amide Synonym
- Lithium hexamethyldisilazanate Synonym
- [1,1,1-Trimethyl-N-(trimethylsilyl)silanaminato]lithium Synonym
- (Hexamethyldisilazane)lithium Synonym
- 1,1,1-Trimethyl-N-(trimethylsilyl)silanamine lithium salt Synonym
- N-Lithiohexamethyldisilazane Synonym
- N,N-Bis(trimethylsilyl)amine lithium salt Synonym
- LiHMDS Synonym
- Lithium bis(trimethylsilyl)amide(1-) Synonym
- LHMDS Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 168.34 g/mol | CAS Common Chemistry |
| 168.338 g/mol | RDKit | |
| 169.346 g/mol | chempirical lib | |
| Density | 0.89 g/cm³ | CAS Common Chemistry |
| 0.891 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Lithium_bis(trimethylsilyl)amide | CAS Common Chemistry |
| Canonical SMILES | [Li].N([Si](C)(C)C)[Si](C)(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C6H19NSi2.Li/c1-8(2,3)7-9(4,5)6;/h7H,1-6H3; | CAS Common Chemistry |
| InChI Key | InChIKey=QQIRAVWVGBTHMJ-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 70-71 °C | CAS Common Chemistry |
| Name | Lithium bis(trimethylsilyl)amide | CAS Common Chemistry |
| Heavy Atom Count | 10 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 2 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 12.03 Ų | RDKit |
| LogP | 1.8649999999999998 | RDKit |
| 1.865 | RDKit | |
| Molar Refractivity | 55.58170000000004 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 168.12160721799998 g/mol | RDKit |
| Boiling Point | 110-115 °C @ 1 Torr | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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| Shift (ppm) | Multiplicity | Integration | Assignment |
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200 ppm
180
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| Shift (ppm) | DEPT | Assignment |
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Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 168.34 g/mol; density = 0.890 g/mL. Edit any field — others recompute live.
