920398
Lithium bis(trimethylsilyl)amide
99.9% trace metals basis
Synonym(s):
LHMDS, LiHMDS, LiTMSA, Lithium hexamethyldisilazide, Hexamethyldisilazane lithium salt
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About This Item
Linear Formula:
[(CH3)3Si]2NLi
CAS Number:
Molecular Weight:
167.33
UNSPSC Code:
12352111
NACRES:
NA.22
MDL number:
Assay:
99.9% trace metals basis
Form:
solid
Quality Level
assay
99.9% trace metals basis
form
solid
reaction suitability
core: lithium
density
0.860 g/mL at 25 °C (lit.)
application(s)
battery precursors
catalysts
material synthesis precursor
SMILES string
[Li]N([Si](C)(C)C)[Si](C)(C)C
InChI
1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
InChI key
YNESATAKKCNGOF-UHFFFAOYSA-N
General description
Lithium bis(trimethylsilyl)amide also known as lithium hexamethyldisilazide (LiHMDS) is a non-nucleophilic strong base. It exhibits ionic conductivity and is widely used as a lithium source and additive in electrolyte formulations for lithium-ion batteries.
Application
Lithium bis(trimethylsilyl)amide can be used:
- As an electrolyte additive for non-aqueous lithium metal batteries. LiHMDS acts as a scavenger for hydrofluoric acid and forms an electrochemical robust cathode|electrolyte interphase (CEI) and suppresses the side reactions with the electrolyte solution.
- As a lithium precursor for atomic layer deposition(ALD) of textured Li4Ti5O12 as anode material for Li-ion ultrafast charging thin-film batteries. It enables the controlled delivery of lithium atoms into the deposition process, leading to the growth of thin films with precise thickness and composition.
- As a precursor to fabricate in situ lithiated quinone cathode as high-capacity organic electrode material for all-solid-state thin-film battery setup.
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 1 - Skin Corr. 1B
supp_hazards
Storage Class
4.2 - Pyrophoric and self-heating hazardous materials
wgk
WGK 2
flash_point_f
62.6 °F - closed cup
flash_point_c
17 °C - closed cup
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In situ lithiated quinone cathode for ALD/MLD-fabricated high-power thin-film battery
Mikko Nisula and Maarit Karppinen
Journal of Materials Chemistry, 6, 7027-7033 (2018)
Olesya Yarema et al.
Chemistry of materials : a publication of the American Chemical Society, 25(18), 3753-3757 (2014-04-22)
We report a simple, high-yield colloidal synthesis of copper indium selenide nanocrystals (CISe NCs) based on a silylamide-promoted approach. The silylamide anions increase the nucleation rate, which results in small-sized NCs exhibiting high luminescence and constant NC stoichiometry and crystal
Maksym Yarema et al.
ACS nano, 5(5), 3758-3765 (2011-04-20)
Here, we present a hot injection synthesis of colloidal Ag chalcogenide nanocrystals (Ag(2)Se, Ag(2)Te, and Ag(2)S) that resulted in exceptionally small nanocrystal sizes in the range between 2 and 4 nm. Ag chalcogenide nanocrystals exhibit band gap energies within the
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 775797-800ML | 04061837798832 |
| 703567-100ML | 04061832821535 |
| 775797-4X25ML | 04061832933412 |
| 775797-100ML | 04061832932897 |
| 920398-1G | 04065265945479 |
| 920398-100G | 04065265945462 |
| 920398-25G | 04065265945486 |