ChemicalBook > CAS DataBase List > 4-HEXEN-3-ONE

4-HEXEN-3-ONE

Product Name
4-HEXEN-3-ONE
CAS No.
2497-21-4
Chemical Name
4-HEXEN-3-ONE
Synonyms
FEMA 3352;NSC 245483;4-HEXEN-3-ONE;2-Hexen-4-one;hex-4-en-3-one;4-HEXENE-3-ONE;hexene-4-one-3;2-Hexene-4-one;(E)-hex-4-en-3-one;(4E)-4-Hexen-3-one
CBNumber
CB1407279
Molecular Formula
C6H10O
Formula Weight
98.14
MOL File
2497-21-4.mol
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4-HEXEN-3-ONE Property

Melting point:
-71.05°C (estimate)
Boiling point:
135-137 °C (lit.)
Density 
0.858 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.44(lit.)
FEMA 
3352 | 4-HEXENE-3-ONE
Flash point:
94 °F
storage temp. 
Sealed in dry,Room Temperature
Specific Gravity
0.855
Odor
at 1.00 % in propylene glycol. pungent ethereal spicy green tropical metallic
Odor Type
acidic
biological source
synthetic
JECFA Number
1125
LogP
1.09
CAS DataBase Reference
2497-21-4
EPA Substance Registry System
4-Hexen-3-one (2497-21-4)
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Safety

Hazard Codes 
Xn
Risk Statements 
10-22-36/37/38
Safety Statements 
16-26-36/37/39
RIDADR 
UN 1224 3/PG 3
WGK Germany 
3
RTECS 
MP8659900
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29141990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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
W335207
Product name
4-Hexen-3-one
Purity
≥92%
Packaging
1 unit
Price
$53.48
Updated
2025/07/31
Sigma-Aldrich
Product number
W335207
Product name
4-Hexen-3-one
Purity
≥92%
Packaging
1 unit
Price
$53.48
Updated
2025/07/31
Sigma-Aldrich
Product number
W335207
Product name
4-Hexen-3-one
Purity
≥92%
Packaging
1kg
Price
$1910
Updated
2025/07/31
Sigma-Aldrich
Product number
W335207
Product name
4-Hexen-3-one
Purity
≥92%
Packaging
sample
Price
$54.6
Updated
2024/03/01
Sigma-Aldrich
Product number
W335207
Product name
4-Hexen-3-one
Purity
≥92%
Packaging
25g
Price
$88.6
Updated
2025/07/31
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4-HEXEN-3-ONE Chemical Properties,Usage,Production

Description

4-Hexene-3-one may be synthesized by hydration of 4-hexen-2-yne aqueous H2S04/HgS04; by hydrogenation of 2-hexen-5-yn-4-one over PdCaC03 catalyst in methanol.

Chemical Properties

4-Hexene-3-one has a pungent, acrid, metallic, ethereal odor

Chemical Properties

Clear colorless to yellow liquid

Occurrence

Reported found in cooked chicken, beef and pork

Preparation

By hydration of 4-hexen-2-yne aqueous H2SO4-HgSO4; by hydrogenation of 2-hexen-5-yn-4-one over Pd-CaCO3 catalyst in methanol.

Definition

ChEBI: 4-hexen-3-one is an enone that is hex-2-ene in which the two methylene hydrogens at position 4 have been replaced by an oxo group. It has a role as a flavouring agent, a plant metabolite and a human metabolite.

Aroma threshold values

Aroma characteristics at 1.0%: pungent, horseradish and mustard with an ethyl vinyl ketone ethereal note, notes reminiscent of vinegar and rum.

Taste threshold values

Taste characteristics at 10 ppm: pungent mustard, pepper, horseradish, rum, roasted onion and slightly tropical nuances

General Description

4-Hexen-3-one is an unsaturated aldehyde that is reported to occur in strawberry fruit, essential oil of Ruta graveolens and Holigarna grahamii leaves. Due to its fruity fragrance, it is also used in the perfume industry.

4-HEXEN-3-ONE Preparation Products And Raw materials

Raw materials

1-Hexene TRANS-2-HEXENE

Preparation Products

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4-HEXEN-3-ONE Suppliers

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View Lastest Price from 4-HEXEN-3-ONE manufacturers

Shanghai Xinchem
Product
4-Hexen-3-one 2497-21-4
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10tons
Release date
2025-10-30
Jinan Ruitong Biotech Co., Ltd.
Product
4-Hexen-3-one 2497-21-4
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
1
Release date
2025-08-20
WUHAN FORTUNA CHEMICAL CO., LTD
Product
4-Hexen-3-one, mixture of isomers 2497-21-4
Price
US $0.00/KG
Min. Order
1KG
Purity
98.0%
Supply Ability
5000kg/month
Release date
2021-10-13

2497-21-4, 4-HEXEN-3-ONERelated Search:

2,5-DIPHENYL-P-BENZOQUINONE 3,5-DI-TERT-BUTYL-O-BENZOQUINONE Isophorone TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)YTTERBIUM Tetraphenylcyclopentadienone TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) 3-methylcyclopent-2-en-1-one 3-Methyl-2-cyclohexen-1-one THYMOL BLUE DUROQUINONE Jasmone 3,5-Dimethyl-2-cyclohexen-1-one THYMOQUINONE (-)-VERBENONE TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III) Allylacetone 1,4-DIOXA-SPIRO[4,5]DEC-7-EN-8-BORONIC ACID 3-METHOXY-2-CYCLOHEXEN-1-ONE

  • FEMA 3352
  • 4-HEXEN-3-ONE
  • 4-HEXENE-3-ONE
  • 4-Hexen-3-one, predominantly trans >=90%
  • 4-Hexen-3-one, 98%, mixture of isomers
  • NSC 245483
  • (E)-hex-4-en-3-one
  • Hexen-3-one, predoMinantly
  • ethyl1-propenylketone
  • 4-Hexen-3-one,predominantly trans
  • hex-4-en-3-one
  • 4-HEXEN-3-ONE 92+%
  • 4-HEXEN-3-ONE, 90+%, PREDOMINANTLY TRANS
  • 4-Hexen-3-one, mixture of isomers, 98%
  • hexene-4-one-3
  • 4-Hexen-3-one, 98%, trans isomer >95%
  • (4E)-4-Hexen-3-one
  • (E)-CH3CH=CHC(=O)C2H5
  • 2-Hexen-4-one
  • 2-Hexene-4-one
  • 4-HEXEN-3-ONE USP/EP/BP
  • (4Z)-hex-4-en-3-one
  • 4-Hexen-3-one, predominantly <i>trans</i>
  • 2497-21-4
  • 35113-68-7
  • CH3CHCHCOC2H5
  • Ketones
  • Organic Building Blocks
  • Building Blocks
  • C3 to C6
  • Carbonyl Compounds
  • C3 to C6
  • Carbonyl Compounds
  • Ketones