ChemicalBook > CAS DataBase List > 3-PENTEN-2-ONE

3-PENTEN-2-ONE

Product Name
3-PENTEN-2-ONE
CAS No.
625-33-2
Chemical Name
3-PENTEN-2-ONE
Synonyms
(E)-pent-3-en-2-one;pent-3-en-2-one;2-Penten-4-one;FEMA 3417;3-PENTEN-2-ONE;2-Oxo-3-pentene;3-pentane-2-one;3-PENTENE-2-ONE;ethylideneacetone;Ethylidene acetone
CBNumber
CB4157470
Molecular Formula
C5H8O
Formula Weight
84.12
MOL File
625-33-2.mol
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3-PENTEN-2-ONE Property

Boiling point:
121-124 °C (lit.)
Density 
0.862 g/mL at 25 °C (lit.)
vapor pressure 
760 mm Hg ( 121 °C)
refractive index 
n20/D 1.437(lit.)
FEMA 
3417 | 3-PENTEN-2-ONE
Flash point:
70 °F
storage temp. 
Sealed in dry,2-8°C
solubility 
Chloroform (Sparingly), Ethyl Acetate (Slightly)
form 
Liquid
color 
Clear colorless
Odor
at 0.10 % in dipropylene glycol. fruity acetone phenolic fishy
Odor Type
fruity
Water Solubility 
Slightly soluble in Water
JECFA Number
1124
BRN 
1633505
Stability:
Stable. Flammable. Incompatible with strong oxidizing and strong reducing agents, strong acids, strong bases.
LogP
0.56
EPA Substance Registry System
3-Penten-2-one (625-33-2)
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Safety

Hazard Codes 
F,Xn
Risk Statements 
11-21-36/37/38
Safety Statements 
16-26-33-36/37/39
RIDADR 
UN 1992 3/PG 2
WGK Germany 
3
RTECS 
SB3850000
F 
10-19
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29141990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H311Toxic in contact with skin

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
145017
Product name
3-Penten-2-one
Purity
70%
Packaging
1g
Price
$39.84
Updated
2024/03/01
Sigma-Aldrich
Product number
145017
Product name
3-Penten-2-one
Purity
70%
Packaging
5g
Price
$145
Updated
2024/03/01
Alfa Aesar
Product number
L13031
Product name
3-Penten-2-one, tech. 85%
Packaging
1g
Price
$39.65
Updated
2024/03/01
Alfa Aesar
Product number
L13031
Product name
3-Penten-2-one, tech. 85%
Packaging
5g
Price
$133
Updated
2024/03/01
Sigma-Aldrich
Product number
145017
Product name
3-Penten-2-one
Purity
70%
Packaging
25g
Price
$329
Updated
2024/03/01
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3-PENTEN-2-ONE Chemical Properties,Usage,Production

Chemical Properties

colourless liquid with a pungent odour

Chemical Properties

3-Penten-2-one has a fruity odor becoming pungent on storage.

Occurrence

Reported found among the volatile components of roasted peanuts; also in cranberry, mango, bilberry, rum, cocoa, coffee, tea, roasted filberts, roasted peanuts, potato chips, lingonberry, strawberry fruit and jam, tomato, wheat bread, parmesan cheese, yogurt, fatty fish, passion fruit, beans, mango, tamarind, rice, Bourbon vanilla, endive, shrimp, katsubushi and buckwheat.

Uses

3-Penten-2-one was used in the synthesis of the alkaloids (+/-)-senepodine G and (+/-)-cermizine C.

Preparation

From 4-hydroxy-pentan-2-one refluxed with oxalic acid.

Definition

ChEBI: An enone that is pent-2-ene in which the two methylene hydrogens have been replaced by an oxo group.

Taste threshold values

Taste characteristics at 10 ppm: musty, stale water and phenolic with a fishy and shellfish nuance.

General Description

3-Penten-2-one is volatile compound present in berry fruit of two Aronia melanocarpa genotypes. Urinary 3-penten-2-one is a useful biomarker for increased accumulation of acetaldehyde during abnormal metabolic stress.

Biochem/physiol Actions

3-Penten-2-one inhibits nitric oxide production and inducible nitric oxide synthase expression via heme oxygenase-1 expression in lipopolysaccharide-activated RAW264.7 macrophages.

3-PENTEN-2-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

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3-PENTEN-2-ONE Suppliers

Canada 1 China 109 France 1 Germany 2 India 3 Italy 1 Switzerland 1 United Kingdom 3 United States 16 USA 1 Global 138
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View Lastest Price from 3-PENTEN-2-ONE manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
3-Penten-2-one 625-33-2
Price
US $10.00/kg
Min. Order
1kg
Purity
99.6%
Supply Ability
100000
Release date
2024-04-23
Hebei Guanlang Biotechnology Co,.LTD
Product
3-Penten-2-one 625-33-2
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2023-08-15
Career Henan Chemical Co
Product
3-PENTEN-2-ONE 625-33-2
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100kg
Release date
2019-08-31

625-33-2, 3-PENTEN-2-ONERelated Search:

Manganic acetylacetonate Ruthenium acetylacetonate TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III) Bis(2,4-pentanedionato-O,O')palladium(II) TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) COBALT(II) ACETYLACETONATE Ferric acetylacetonate ZINC ACETYLACETONATE HYDRATE MANGANESE(II) ACETYLACETONATE Nickel(II) acetylacetonate TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)YTTERBIUM PR(TMHD)3 Tris(2,4-pentanedionato)chroMiuM(III) Vanadyl acetylacetonate Platinum bis(acetylacetonate) Aluminum acetylacetonate 2,4-PENTANEDIONE, SILVER DERIVATIVE VANADIUM(III) ACETYLACETONATE

  • (3E)-3-Penten-2-one
  • (E)-CH3CH=CHC(=O)CH3
  • 2-Oxo-3-pentene
  • 3-penten-2-one (methyl vinyl ketone)
  • Ethylidene acetone
  • ethylideneacetone
  • Methyl 1-propenyl ketone
  • pent-3-en-2-one
  • METHYL PROPENYL KETONE
  • FEMA 3417
  • TRANS-2-UNDECENAL 90+%
  • 3-PENTEN-2-ONE, TECH. 85%
  • (E)-pent-3-en-2-one
  • 3-pentane-2-one
  • 3-PENTENE-2-ONE
  • 3-PENTEN-2-ONE
  • 2-Penten-4-one
  • Inchi=1/C5H8o/C1-3-4-5(2)6/H3-4H,1-2H3/B4-3
  • 3-Penten-2-one,Methyl propenyl ketone
  • 3-Penten-2-one, technical, 70%
  • 3-Penten-2-one, 70%, technical
  • 3-Penten-2-one 70%
  • (E)-3-Penten-2-One,>95%
  • 625-33-2 C5H8O 3-PENTEN-2-ONE CAS NO.625-33-2 CAS NO.625-33-2
  • 3-pentene-2-ketone
  • 625-33-2
  • CH3CHCHCOCH3
  • Organic Building Blocks
  • Ketones
  • Carbonyl Compounds
  • C3 to C6
  • Building Blocks