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Key Documents

343552

Sigma-Aldrich

3,3-Dimethoxy-2-butanone

98%

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About This Item

Linear Formula:
CH3C(OCH3)2COCH3
CAS Number:
Molecular Weight:
132.16
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

form

liquid

refractive index

n20/D 1.407 (lit.)

bp

145-146 °C (lit.)

density

0.987 g/mL at 25 °C (lit.)

SMILES string

COC(C)(OC)C(C)=O

InChI

1S/C6H12O3/c1-5(7)6(2,8-3)9-4/h1-4H3

InChI key

UFQBSPGKRRSATO-UHFFFAOYSA-N

General description

3,3-Dimethoxy-2-butanone is a biacetyl monoketal.

Application

3,3-Dimethoxy-2-butanone may be used as starting reagent in the synthesis of 6-acety1-l,2-dihydro-2-oxo-3-pyridinecarboxylic acid. It may be used in the preparation of 4,4-dimethoxy-3-oxo-1-phenyl-1-pentene.

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

113.0 °F - closed cup

Flash Point(C)

45 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Magnesium Methoxide Cyclization of Biacetyl Derivatives1.
Muxfeldt H, et al.
The Journal of Organic Chemistry, 30(10), 3573-3574 (1965)
An efficient synthesis and mechanism of formation of 6-acetyl-1, 2-dihydro-2-oxo-3-pyridinecarboxylic acid.
Sanchez JP.
Tetrahedron, 46(23), 7693-7698 (1990)

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