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HomeProduct name list(TRIMETHYLSILYL)METHYLLITHIUM

(TRIMETHYLSILYL)METHYLLITHIUM

(TRIMETHYLSILYL)METHYLLITHIUM Structural

What is (TRIMETHYLSILYL)METHYLLITHIUM?

Chemical properties

Clear light yellow liquid

Physical properties

mp 112 °C.

The Uses of (TRIMETHYLSILYL)METHYLLITHIUM

Initiates polymerization and copolymerization of cyclosiloxanes.1 Alkylates metal complexes.2

The Uses of (TRIMETHYLSILYL)METHYLLITHIUM

Trimethylsilylmethyllithium 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.

The Uses of (TRIMETHYLSILYL)METHYLLITHIUM

Initiates polymerization and copolymerization of cyclosiloxanes. Alkylates metal complexes.

Preparation

Trimethylsilylmethyllithium 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.

Properties of (TRIMETHYLSILYL)METHYLLITHIUM

Melting point: 112-117 °C (decomp)
Boiling point: 35-36 °C
Density  0.65 g/mL at 25 °C
Flash point: −57 °F
storage temp.  2-8°C
solubility  Sol ethereal solvents; reacts with protic solvents.
Specific Gravity 0.66
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
BRN  4123225

Safety information for (TRIMETHYLSILYL)METHYLLITHIUM

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H224:Flammable liquids
H304:Aspiration hazard
H314:Skin corrosion/irritation
H336:Specific target organ toxicity,single exposure; Narcotic effects
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for (TRIMETHYLSILYL)METHYLLITHIUM

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