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380067

4,4-Dimethoxy-2-butanone

technical grade, ≥90%

Synonym(s):

3-Oxobutyraldehyde dimethylacetal, 3-Ketobutyraldehyde dimethyl acetal, 4,4-Dimethoxy-2-butanone, Acetylacetaldehyde dimethylacetal

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About This Item

Linear Formula:
CH3COCH2CH(OCH3)2
CAS Number:
5436-21-5
Molecular Weight:
132.16
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24863716
EC Number:
226-605-1
Beilstein/REAXYS Number:
1702372
MDL number:
MFCD00008789
Assay:
≥90%
Form:
liquid
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grade

technical grade

Quality Segment

100

assay

≥90%

form

liquid

refractive index

n20/D 1.414 (lit.)

bp

70-73 °C/20 mmHg (lit.)

density

0.996 g/mL at 25 °C (lit.)

functional group

acetal, ether, ketone

SMILES string

COC(CC(C)=O)OC

InChI

1S/C6H12O3/c1-5(7)4-6(8-2)9-3/h6H,4H2,1-3H3

InChI key

PJCCSZUMZMCWSX-UHFFFAOYSA-N

General description

4,4-Dimethoxy-2-butanone (Acetylacetaldehyde dimethylacetal) is a ketone.

Application

4,4-Dimethoxy-2-butanone (β-ketobutyracetal) may be used in the preparation of:
  • (R)-4,4-dimethoxy-2-butanol
  • pyrazoles and pyrimidines
  • [7,16-dihydro- 6,15( 17)-dimetbyldibenzo[b,i]-[1,4,8,11]tetrilazacyclotetradecinato-N5,N9,N14,N18]nickel{II)
4,4-Dimethoxy-2-butanone (Acetylacetaldehyde dimethylacetal) may be used in the preparation of N,N-diethyl-[2-(4-fluorophenyl)-5-methylpyrazolo[1,5-a]-pyrimidin-3-yl]acetamide and acetoacetaldehyde.

pictograms

Flame
GHS02

signalword

Warning

hcodes

H226

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

134.6 °F - closed cup

flash_point_c

57 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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