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241962

Sigma-Aldrich

2,3-Pentanedione

97%

Synonym(s):

Acetylpropionyl

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About This Item

Linear Formula:
CH3CH2COCOCH3
CAS Number:
600-14-6
Molecular Weight:
100.12
Beilstein/REAXYS Number:
1699638
EC Number:
209-984-8
MDL number:
MFCD00009313
UNSPSC Code:
12352100
PubChem Substance ID:
24854523
NACRES:
NA.22

Quality Level

100

assay

97%

refractive index

n20/D 1.404 (lit.)

bp

110-112 °C (lit.)

mp

−52 °C (lit.)

density

0.957 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CCC(=O)C(C)=O

InChI

1S/C5H8O2/c1-3-5(7)4(2)6/h3H2,1-2H3

InChI key

TZMFJUDUGYTVRY-UHFFFAOYSA-N

Gene Information

human ... ACHE(43) , BCHE(590) , CES1(1066)

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General description

2,3-Pentanedione (acetylpropionyl) is one of the aroma active compounds of cereal coffee brew.

Application

2,3-Pentanedione can be used as a reactant to synthesize:
  • Bisphenol derivatives by acid-catalyzed condensation reaction with phenols.
  • 2-Ethyl-3-methyl-1H-indole by Pd-catalyzed reaction with aniline under reductive conditions.
  • 2-Ethyl-3-methylquinoxaline by condensation reaction with o-phenylenediamine using citric acid as a catalyst.

signalword

Danger

Hazard Classifications

Flam. Liq. 2 - Skin Sens. 1B - STOT RE 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

66.2 °F - open cup

flash_point_c

19 °C - open cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKBB7504V
STBB3548V
STBB3548
STBB1770
MKBB7504

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Regioselective synthesis of renewable bisphenols from 2, 3-pentanedione and their application as plasticizers
Schutyser W, et al.
Green Chemistry, 16(4), 1999-2007 (2014)
Małgorzata A Majcher et al.
Journal of agricultural and food chemistry, 61(11), 2648-2654 (2013-02-19)
Cereal coffee is a coffee substitute made mainly from roasted cereals such as barley and rye (60-70%), chicory (15-20%), and sugar beets (6-10%). It is perceived by consumers as a healthy, caffeine free, non-irritating beverage suitable for those who cannot
J Carballo et al.
The Italian journal of biochemistry, 42(2), 79-89 (1993-03-01)
L-glycol dehydrogenase from Enterobacter aerogenes shows a high affinity by NADH (Ks = 2-4 microM; Km = 4.3-9.7 microM), which indicates that it must operate in vivo saturated with this coenzyme. Michaelis and dissociation constants for the reduction of the
V A Yaylayan et al.
Journal of agricultural and food chemistry, 47(8), 3280-3284 (1999-12-20)
Model studies using independently labeled D-[(13)C]glucoses and L-[(13)C]alanines have indicated that 2,3-butanedione is formed by a single pathway involving only glucose carbon atoms, whereas 2, 3-pentanedione is formed by two pathways, one involving glucose carbon atoms (10%) and the other
J H Chou et al.
Genetics, 157(1), 211-224 (2001-01-05)
Caenorhabditis elegans odr-2 mutants are defective in the ability to chemotax to odorants that are recognized by the two AWC olfactory neurons. Like many other olfactory mutants, they retain responses to high concentrations of AWC-sensed odors; we show here that
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Protocols

GC Analysis of Volatiles in Roasted Coffee Beans on Omegawax® after SPME using a 50/30 µm DVB/Carboxen/PDMS Fiber

-Cymene; 2,5-Dimethylpyrrole; Acetoin, ≥96%, FCC, FG; 2,5-Dimethylpyrazine; 2,6-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Dimethylpyrazine; 4-Heptanone; 3-Ethylpyridine; 2,3,5-Trimethylpyrazine; Furfural; Pyrrole; Furfuryl acetate; Linalool; Linalyl acetate; 5-Methylfurfural; γ-Butyrolactone; 2-Acetyl-1-methylpyrrole; Furfuryl alcohol; 2-Acetylpyrrole; Pyrrole-2-carboxaldehyde

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