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274585

Sigma-Aldrich

Methyl trimethylsilyl dimethylketene acetal

95%

Synonym(s):
1-Methoxy-2-methyl-1-(trimethylsiloxy)propene, (1-Methoxy-2-methyl-1-propenyloxy)trimethylsilane, MTDA
Linear Formula:
(CH3)2C=C(OCH3)OSi(CH3)3
CAS Number:
Molecular Weight:
174.31
Beilstein:
1362893
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

95%

form

liquid

refractive index

n20/D 1.415 (lit.)

bp

35 °C/15 mmHg (lit.)

density

0.858 g/mL at 25 °C (lit.)

SMILES string

CO\C(O[Si](C)(C)C)=C(/C)C

InChI

1S/C8H18O2Si/c1-7(2)8(9-3)10-11(4,5)6/h1-6H3

InChI key

JNOGVQJEBGEKMG-UHFFFAOYSA-N

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Application

Methyl trimethylsilyl dimethylketene acetal was used:
  • in the synthesis of chiral β-lactams by reacting with (S)-alkylidene(1-arylethyl)amines in the presence of titanium tetrachloride
  • as a catalyst or initiator in the group-transfer polymerization
  • as a versatile reagent in conjugate addition and aldol reactions.

Packaging

5, 25, 100 g in glass bottle

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

86.0 °F - closed cup

Flash Point(C)

30 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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