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241962

Sigma-Aldrich

2,3-Pentanedione

97%

Sinônimo(s):

Acetylpropionyl

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About This Item

Fórmula linear:
CH3CH2COCOCH3
Número CAS:
Peso molecular:
100.12
Beilstein:
1699638
Número CE:
Número MDL:
Código UNSPSC:
12352100
ID de substância PubChem:
NACRES:
NA.22

Ensaio

97%

índice de refração

n20/D 1.404 (lit.)

pb

110-112 °C (lit.)

pf

−52 °C (lit.)

densidade

0.957 g/mL at 25 °C (lit.)

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

CCC(=O)C(C)=O

InChI

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

chave InChI

TZMFJUDUGYTVRY-UHFFFAOYSA-N

Informações sobre genes

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Descrição geral

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

Aplicação

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.

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

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

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

66.2 °F - open cup

Ponto de fulgor (°C)

19 °C - open cup

Equipamento de proteção individual

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


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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

Protocolos

-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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