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E51309

Sigma-Aldrich

1-Penten-3-one

contains 0.1% BHT as stabilizer, 97%

Synonym(s):

Ethyl vinyl ketone

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About This Item

Linear Formula:
C2H5COCH=CH2
CAS Number:
1629-58-9
Molecular Weight:
84.12
Beilstein/REAXYS Number:
1735857
MDL number:
MFCD00009316
UNSPSC Code:
12352100
PubChem Substance ID:
24894604
NACRES:
NA.22

assay

97%

form

liquid

contains

0.1% BHT as stabilizer

refractive index

n20/D 1.419 (lit.)

bp

38 °C/60 mmHg (lit.)

density

0.851 g/mL at 20 °C
0.845 g/mL at 25 °C (lit.)

storage temp.

−20°C

SMILES string

CCC(=O)C=C

InChI

1S/C5H8O/c1-3-5(6)4-2/h3H,1,4H2,2H3

InChI key

JLIDVCMBCGBIEY-UHFFFAOYSA-N

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General description

1-Penten-3-one also known as Ethyl vinyl ketone, is a straight-chain aliphatic α, β -unsaturated ketone, commonly used in the coupling reaction for the synthesis of diene and six-membered ring compounds.

Application

1-Penten-3-one can be used as a reactant to synthesize:
  • Conjugated dienes via palladium-catalyzed Heck reaction with vinyl bromides.
  • β-Amino carbonyl derivatives via solvent-free aza-Michael addition reaction with aromatic amines in the presence of ionic liquid catalyst.
  • α-Exo-methylene group bearing β-amino carbonyl compounds via ion-supported triphenylphosphine catalyzed aza‐Morita‐Baylis-Hillman reaction with N-tosyl arylimines.
Reagent for annulation.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

14.0 °F - closed cup

flash_point_c

-10 °C - closed cup

ppe

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

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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Ruthenium--Lewis Acid Catalyzed Asymmetric Diels--Alder Reactions between Dienes and alpha beta Unsaturated Ketones
Jenny R, et al.
Chemistry?A European Journal , 13, 3354-3368 (2007)
Synlett, 51-51 (1991)
Ruthenium-catalyzed oxidative cross-coupling reaction of activated olefins with vinyl boronates for the synthesis of (E, E)-1, 3-dienes
Dattatraya D H, et al.
The Journal of Organic Chemistry, 86, 3444-3455 (2021)
Yichi Xu et al.
Journal of food science, 75(4), C352-C358 (2010-06-16)
The release of volatiles from tomatillos (Physalis ixocarpa Brot.) and tomatoes in the mouthspace and nosespace was measured in real-time using selected ion flow tube mass spectrometry (SIFT-MS). (Z)-3-Hexenal, (E)-2-hexenal, hexanal, and 1-penten-3-one increased, while isobutyl alcohol, nonanal, and methylbutanal
E Eder et al.
Mutation research, 470(1), 29-37 (2000-09-15)
alpha,beta-Unsaturated ketones are bifunctional compounds which form promutagenic 1,N(2)-propanodeoxyguanosine adducts like carcinogenic alpha,beta-unsaturated aldehydes and are mutagenic and genotoxic like these aldehydes. They are important industrial chemicals, are found in our environment and are widespread in our food. We investigated
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