ChemicalBook--->CAS DataBase List--->69097-20-7

69097-20-7

69097-20-7 Structure

69097-20-7 Structure
IdentificationMore
[Name]

Tris(trimethylsilyloxy)ethylene
[CAS]

69097-20-7
[Synonyms]

TRIS(TRIMETHYLSILOXY)ETHYLENE
TRIS(TRIMETHYLSILYLOXY)ETHYLENE
[vinyl-2-ylidenetris(oxy)]tris[trimethylsilane]
Trimethysiloxyethylene
TRIS(TRIMETHYLSILYLOXY)ETHYLENE 95%
Tris-(trimethoxysiloxy)-ethylene
1,1,2-Tris(trimethylsilyloxy)ethene
[EINECS(EC#)]

273-864-1
[Molecular Formula]

C11H28O3Si3
[MDL Number]

MFCD00011641
[Molecular Weight]

292.59
[MOL File]

69097-20-7.mol
Chemical PropertiesBack Directory
[Appearance]

clear colorless to yellowish liquid
[Boiling point ]

54-56 °C/0.1 mmHg (lit.)
[density ]

0.886 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.420(lit.)
[Fp ]

103 °F
[storage temp. ]

2-8°C
[form ]

Liquid
[color ]

Clear colorless to yellow
[Specific Gravity]

0.885
[Water Solubility ]

Insoluble
[Hydrolytic Sensitivity]

7: reacts slowly with moisture/water
[BRN ]

1962905
[InChI]

InChI=1S/C11H28O3Si3/c1-15(2,3)12-10-11(13-16(4,5)6)14-17(7,8)9/h10H,1-9H3
[InChIKey]

FCZGHPGTZRTDNN-UHFFFAOYSA-N
[SMILES]

C[Si](C)(C)O/C(/O[Si](C)(C)C)=C/O[Si](C)(C)C
[CAS DataBase Reference]

69097-20-7(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
R10:Flammable.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
S16:Keep away from sources of ignition-No smoking .
[RIDADR ]

UN 1993 3/PG 3
[WGK Germany ]

3
[F ]

10-21
[TSCA ]

No
[HazardClass ]

3.2
[PackingGroup ]

III
[HS Code ]

29310099
Hazard InformationBack Directory
[Chemical Properties]

clear colorless to yellowish liquid
[Uses]

Tris(trimethylsiloxy)ethylene has been used in:
  • stereospecific synthesis of insecticide ajuqarin-IV
  • microwave-assisted synthesis of 2-hydroxy-1-phenylethanone
[Preparation]

Tris(trimethylsilyloxy)ethylene is prepared from the bis(trimethylsilyl) derivative of glycolic acid by either forming the enolate with Lithium Hexamethyldisilazide at -78 °C in THF and trapping with Chlorotrimethylsilane, or by the reaction with Trimethylsilyl Trifluoromethanesulfonate and Triethylamine at rt (eq 1).
Tris(trimethylsilyloxy)ethylene synthesis
[storage]

Tris(trimethylsilyloxy)ethylene is readily hydrolyzed in protic solvents. It should be stored in a sealed container protected from the atmosphere. Since the reaction of the reagent with carboxylic acid chlorides and aldehydes under Lewis acid catalysis in the absence of solvent is highly exothermic, large-scale preparations may require regulation of the reaction temperature either by external cooling or by controlled addition of the reactants.
Spectrum DetailBack Directory
[Spectrum Detail]

Tris(trimethylsilyloxy)ethylene(69097-20-7)MS
Tris(trimethylsilyloxy)ethylene(69097-20-7)1HNMR
Tris(trimethylsilyloxy)ethylene(69097-20-7)IR1
Tris(trimethylsilyloxy)ethylene(69097-20-7)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Tris(trimethylsilyloxy)ethylene, 95%(69097-20-7)
[Sigma Aldrich]

69097-20-7(sigmaaldrich)
[TCI AMERICA]

Tris(trimethylsilyloxy)ethylene,>95.0%(GC)(69097-20-7)
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