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(TRIMETHYLSILYL)METHYLLITHIUM

(TRIMETHYLSILYL)METHYLLITHIUM Basic information
Product Name:(TRIMETHYLSILYL)METHYLLITHIUM
Synonyms:(TRIMETHYLSILYLMETHYL)LITHIUM , 1.0M SOL UTION IN PENTANE;Lithium, (trimethylsilyl)methyl-;Lithio(trimethylsilyl)methane;Lithiomethyltrimethylsilane;Trimethyl(lithiomethyl)silane;(Trimethylsilyl)methyllithium,0.8M (12 wt%) solution in hexanes;((trimethylsilyl)methyl)lithium 1.0M in pentane;(Trimethylsilyl)methyllithium, 0.8M (12 wt%) solution in hexanes, AcroSeal§3
CAS:1822-00-0
MF:C4H11LiSi
MW:94.16
EINECS:
Product Categories:Chemical Synthesis;Organometallic Reagents;Alkyl;Organolithium;Organometallic Reagents
Mol File:1822-00-0.mol
(TRIMETHYLSILYL)METHYLLITHIUM Structure
(TRIMETHYLSILYL)METHYLLITHIUM Chemical Properties
Melting point 112-117 °C (decomp)
Boiling point 35-36 °C
density 0.65 g/mL at 25 °C
Fp −57 °F
storage temp. 2-8°C
solubility Sol ethereal solvents; reacts with protic solvents.
Specific Gravity0.66
Hydrolytic Sensitivity8: reacts rapidly with moisture, water, protic solvents
BRN 4123225
Safety Information
Hazard Codes F,C,N,F+
Risk Statements 11-14-34-51/53-65-66-67-12-2
Safety Statements 16-26-33-36/37/39-43-45-61-62
RIDADR UN 3399 4.3/PG 1
WGK Germany 1
F 10
HazardClass 4.2
PackingGroup I
HS Code 29319090
MSDS Information
ProviderLanguage
SigmaAldrich English
(TRIMETHYLSILYL)METHYLLITHIUM Usage And Synthesis
Chemical PropertiesClear light yellow liquid
Physical propertiesmp 112 °C.
UsesTrimethylsilylmethyllithium is a reagent used in the methylenation of carbonyl compounds; reacts with carboxylic acid derivatives to provide α-silyl ketones; synthesis of allylsilanes. It participates in the reactions of Peterson Alkenation, Reaction with Carboxylic Acid Derivatives, Other Electrophiles, etc.
UsesInitiates polymerization and copolymerization of cyclosiloxanes. Alkylates metal complexes.
UsesInitiates polymerization and copolymerization of cyclosiloxanes.1 Alkylates metal complexes.2
PreparationTrimethylsilylmethyllithium is obtained by reaction of (chloromethyl)- trimethylsilane with lithium metal in an inert solvent. It is also available by displacement of a heteroatom group based on sulfur, silicon, or tin.
(TRIMETHYLSILYL)METHYLLITHIUM Preparation Products And Raw materials
Preparation Productsalpha-cyclopropylstyrene-->PHENYL-(4-TRIMETHYLSILANYLMETHYL-PHENYL)-METHANONE
SEC-BUTYLLITHIUM Lithium bis(trimethylsilyl)amide tert-Butyllithium ISOBUTYLLITHIUM LITHIUM METHOXIDE METHYLLITHIUM AS COMPLEX WITH LITHIUM Lithium hexamethyldisilazide Lithium diisopropylamide Methyllithium N-HEXYLLITHIUM n-Butyllithium Diazo(trimethylsilyl)methyllithium TRIMETHYLSILANE Lithium silicon Bis(trimethylsilyl)methyllithium Lithium hydride (TRIMETHYLSILYL)METHYLLITHIUM Lithium
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