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HomeProduct name listChloromethyltrimethylsilane

Chloromethyltrimethylsilane

Synonym(s):(Chloromethyl)trimethylsilane;(Trimethylsilyl)methyl chloride;Silane CMM3;Trimethylsilylchloromethane

  • CAS NO.:2344-80-1
  • Empirical Formula: C4H11ClSi
  • Molecular Weight: 122.67
  • MDL number: MFCD00000878
  • EINECS: 219-058-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-01 18:09:03
Chloromethyltrimethylsilane Structural

What is Chloromethyltrimethylsilane?

Description

Chloromethyltrimethylsilane is a chemical compound belonging to the trifluoroacetic acid group. It is an essential synthetic intermediate in organic chemistry, used to prepare many types of compounds, including pharmaceuticals, agrochemicals, and dyes. The molecule consists of three silanes linked together by methylene bridges. The synthesis of Chloromethyltrimethylsilane involves reacting a mixture of hydrochloric acid and trifluoroacetic acid with methyl ketones in the presence of ethylene diamine and particles.

Chemical properties

CLEAR COLOURLESS LIQUID

The Uses of Chloromethyltrimethylsilane

(Chloromethyl)trimethylsilane is used for Wittig reaction and building blocks.

The Uses of Chloromethyltrimethylsilane

(Chloromethyl)trimethylsilane can be treated with aldehydes or ketones in the presence of triphenylphosphine to synthesize terminal alkenes. It can also be used in the preparation of a reagent, trimethylsilylmethyl magnesium chloride, commonly used in Peterson methylenation.

Properties of Chloromethyltrimethylsilane

Melting point: <0°C
Boiling point: 98-99 °C(lit.)
Density  0.88 g/mL at 20 °C
vapor pressure  ~25 mm Hg ( 20 °C)
refractive index  n20/D 1.418(lit.)
Flash point: 27 °F
storage temp.  Store below +30°C.
solubility  soluble in Benzene, Methanol
form  Liquid
color  Clear colorless
Specific Gravity 0.879
Water Solubility  insoluble
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions
BRN  906705
CAS DataBase Reference 2344-80-1(CAS DataBase Reference)
NIST Chemistry Reference Silane, (chloromethyl)trimethyl-(2344-80-1)
EPA Substance Registry System Silane, (chloromethyl)trimethyl- (2344-80-1)

Safety information for Chloromethyltrimethylsilane

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H225:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
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 Chloromethyltrimethylsilane

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