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400-53-3

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Identification

Name
TRIMETHYLSILYL TRIFLUOROACETATE
CAS
400-53-3
Synonyms
TRIFLUOROACETIC ACID TRIMETHYLSILYL ESTER
TRIMETHYLSILYL TRIFLUOROACETATE
Aceticacid,trifluoro-,trimethylsilylester
Trifluoressigsαure-trimethylsilylester
trifluoro-aceticacitrimethylsilylester
Trimethylsilyl trifluoroacetate 96%
Trimethylsilyltrifluoroacetate96%
Trimethylsilyl trifluoroacetate, GC 98%
Trimethyl(trifluoroacetoxy)silane
EINECS(EC#)
206-923-7
Molecular Formula
C5H9F3O2Si
MDL Number
MFCD00000413
Molecular Weight
186.2
MOL File
400-53-3.mol

Chemical Properties

Appearance
clear colorless to light yellow liquid
bp 
88-90 °C(lit.)

density 
1.078 g/mL at 25 °C(lit.)

vapor density 
>1 (vs air)

refractive index 
n20/D 1.336(lit.)

Fp 
°C
storage temp. 
Flammables area
CAS DataBase Reference
400-53-3(CAS DataBase Reference)

Safety Data

Hazard Codes 
F,C
Risk Statements 
R11:Highly Flammable.
R34:Causes burns.
R37:Irritating to the respiratory system.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR 
UN 2924 3/PG 2

WGK Germany 
3


10-21
Hazard Note 
Flammable
TSCA 
Yes
HazardClass 
3.1
PackingGroup 
II
HS Code 
29319019

Well-known Reagent Company Product Information

Sigma Aldrich
400-53-3(sigmaaldrich)
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