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Merck

W284106

2,3-Pentanedione

≥96%, FCC, FG

Synonym(s):

Acetylpropionyl

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About This Item

Linear Formula:
CH3CH2COCOCH3
CAS Number:
600-14-6
Molecular Weight:
100.12
FEMA Number:
2841
Council of Europe no.:
2039
UNSPSC Code:
12164502
PubChem Substance ID:
24901341
Flavis number:
7.060
EC Number:
209-984-8
NACRES:
NA.21
MDL number:
MFCD00009313
Beilstein/REAXYS Number:
1699638
Organoleptic:
caramel; cheese; creamy; buttery; sweet
Grade:
FG, Fragrance grade, Halal, Kosher
Biological source:
synthetic
Agency:
follows IFRA guidelines, meets purity specifications of JECFA
Food allergen:
no known allergens

Key Documents

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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

biological source

synthetic

grade

FG, Fragrance grade, Halal, Kosher

agency

follows IFRA guidelines, meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009, EU Regulation 1334/2008 & 178/2002, FCC, FDA 21 CFR 172.515

assay

≥96%

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.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

organoleptic

caramel; cheese; creamy; buttery; sweet

storage temp.

2-8°C

Quality Level

300, 400

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Other Notes

Natural occurrence: Butter, cocoa, coffee, potato chips, roasted almonds, pecans, wheat bread, and yogurt.

Application


  • Changes in physicochemical properties and microbial community succession during leaf stacking fermentation.: This research investigates the changes in physicochemical properties and microbial communities during leaf fermentation, with a focus on the role of volatile compounds like 2,3-pentanedione. The study provides insights into fermentation processes and microbial interactions (Zhang et al., 2023).

Biochem/physiol Actions

Odor at 1.0%
Taste at 1-5.0 ppm

Legal Information

Additional information may be required prior to purchase of this material

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

66.2 °F - closed cup

flash_point_c

19 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
STBK4616
STBK3013
SHBN0458
SHBM6007
STBJ8940

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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
B R Epperly et al.
The Journal of biological chemistry, 264(31), 18296-18301 (1989-11-05)
Incubation of homogeneous preparations of L-threonine dehydrogenase from Escherichia coli with 2,3-butanedione, 2,3-pentanedione, phenylglyoxal, or 1,2-cyclohexanedione causes a time- and concentration-dependent loss of enzymatic activity; plots of log percent activity remaining versus time are linear to greater than 90% inactivation
G G Chang et al.
Biochimica et biophysica acta, 660(2), 341-347 (1981-08-13)
The reaction of pigeon liver malic enzyme (L-malate:NADP+ oxidoreductase (oxaloacetate-decarboxylating), EC 1.1.1.40) with dicarbonyl compounds (2,3-butanedione, methylglyoxal, 2,4-pentanedione, and phenylglyoxal) resulted in a rapid loss of its enzymatic activity. The inactivation showed pseudo-first-order kinetics for all the dicarbonyls studied. All
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