Lithium bis(trimethylsilyl)amide

ALDRICH/324620 - 97%

Synonym: Hexamethyldisilazane lithium salt

CAS Number: 4039-32-1
Empirical Formula (Hill Notation): C₆H₁₈LiNSi₂
Molecular Weight: 167.33
EC Number: 223-725-6
MDL Number: MFCD00008261
Linear Formula: [(CH₃)₃Si]₂NLi
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-324620-10G	10 g	$109.00 1/EA	Add To Favorites
45-324620-50G	50 g	$137.00 1/EA	Add To Favorites
45-324620-250G	250 g	$446.00 1/EA	Add To Favorites

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Properties
Descriptions
Safety Info.
Basic Data

assay	97%
density	0.860 g/mL at 25 °C (lit.)
form	solid
InChI	1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
InChI key	YNESATAKKCNGOF-UHFFFAOYSA-N
SMILES string	[Li]N([Si](C)(C)C)[Si](C)(C)C

Application:	Base employed in generating enolates for the preparation of lactone precursors, pyranones, and cyclohexanes. Used to catalyze the addition of phosphine P-H bonds to carbodiimides leading to phosphaguanidines. Also used in a novel three-step synthesis of disubstituted 1,2,5-thiadiazoles.
General description:	Lithium bis(trimethylsilyl)amide is a non-nucleophilic strong Brønsted base, which is generally soluble in most of the nonpolar organic solvents. It is most commonly employed in organic reactions.
Packaging:	10, 50, 250 g in glass bottle

Symbol	GHS02,GHS05
Signal word	Danger
Hazard statements	H228 - H251 - H314
Precautionary statements	P210 - P235 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338
Hazard Codes	F,C
Risk Statements	11-14-34
Safety Statements	16-26-36/37/39-43-45
RIDADR	UN 2925 8(4.1) / PGII
WGK Germany	WGK 2
Flash Point(F)	62.6 °F - closed cup
Flash Point(C)	17 °C - closed cup
Supplemental Hazard Statements	EUH014

Purity	97%
Density	0.860 g/mL at 25 °C (lit.)
UNSPSC	12352111

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