Trifluoromethyl trimethylsilane is a chemical, C4H9F3Si, used in the nucleophilic addition of aldehydes and ketones.

The Chinese name is trifluoromethyl trimethylsilane

Trimethyl(trifluoromethyl)silane

TFMTMS; (Trifluoromethyl)trimethylsilane; Ruppert’s Reagent

Alias (trifluoromethyl) trimethylsilane

Molecular weight 142.20

Molecular formula C4H9F3Si

CAS number 81290-20-2

Linear molecular formula (CH3)3SiCF3

Purity >98%

MDL number MFCD00145454

Beilstein number 4241868

Character description 

Colorless transparent liquid

Physical parameter

Boiling point (°C):53-55 °C

Relative density :0.962g/mL at 20 °C(lit.)

Flash point: -17 °C

Application description

Trifluoromethylation reagent for nucleophilic addition of aldehydes and ketones

Hazard statement

Hazard code: F

Danger level :11

Safety level :16-33

United Nations No. : UN1993

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