Descriptioin
ChemicalBook > CAS DataBase List > TRANS-2-HEXENAL

TRANS-2-HEXENAL

Descriptioin
Product Name
TRANS-2-HEXENAL
CAS No.
6728-26-3
Chemical Name
TRANS-2-HEXENAL
Synonyms
(E)-2-Hexenal;(E)-hex-2-enal;TRANS-2-HEXEN-1-AL;(2E)-2-Hexenal;trans-Hex-2-enal;2-Hexenal (E);trans-2-HEXANAL;(e)-2-hexena;2-(E)-hexenal;(E)-2-hexanal
CBNumber
CB2164584
Molecular Formula
C6H10O
Formula Weight
98.14
MOL File
6728-26-3.mol
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TRANS-2-HEXENAL Property

Melting point:
-78°C (estimate)
Boiling point:
47 °C17 mm Hg(lit.)
Density 
0.846 g/mL at 25 °C(lit.)
vapor density 
3.4 (vs air)
vapor pressure 
10 mm Hg ( 20 °C)
refractive index 
n20/D 1.446(lit.)
FEMA 
2560 | HEXEN-2-AL
Flash point:
101 °F
storage temp. 
2-8°C
solubility 
Acetonitrile (Slightly), Chloroform (Slightly), Methanol
form 
Liquid
color 
Clear colorless to light yellow
Odor
at 10.00 % in dipropylene glycol. green banana aldehydic fatty cheesy
Odor Type
green
Water Solubility 
Insoluble
JECFA Number
1353
BRN 
1699684
LogP
1.58 at 25℃
CAS DataBase Reference
6728-26-3(CAS DataBase Reference)
NIST Chemistry Reference
2-Hexenal, (E)-(6728-26-3)
EPA Substance Registry System
2-Hexenal, (2E)- (6728-26-3)
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Safety

Hazard Codes 
Xn,Xi,F
Risk Statements 
10-21/22-36/37/38-20/21/22-43
Safety Statements 
16-26-36-36/37
RIDADR 
UN 1988 3/PG 3
WGK Germany 
2
RTECS 
MP5900000
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29121900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H226Flammable liquid and vapour

H302Harmful if swallowed

H311Toxic in contact with skin

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.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W256009
Product name
trans-2-Hexen-1-al
Purity
natural, ≥95%, FG
Packaging
25g
Price
$132
Updated
2024/03/01
Sigma-Aldrich
Product number
W256009
Product name
trans-2-Hexen-1-al
Purity
natural, ≥95%, FG
Packaging
100g
Price
$442
Updated
2024/03/01
Sigma-Aldrich
Product number
W256009
Product name
trans-2-Hexen-1-al
Purity
natural, ≥95%, FG
Packaging
1kg
Price
$3130
Updated
2024/03/01
Sigma-Aldrich
Product number
W256005
Product name
trans-2-Hexen-1-al
Purity
≥95%, FCC, FG
Packaging
1kg
Price
$165
Updated
2024/03/01
Sigma-Aldrich
Product number
W256005
Product name
trans-2-Hexen-1-al
Purity
≥95%, FCC, FG
Packaging
4kg
Price
$454
Updated
2024/03/01
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TRANS-2-HEXENAL Chemical Properties,Usage,Production

Descriptioin

Tans-2-Hexenal is a colorless to pale yellow clear liquid. It occurs naturally in tomatoes, banana and black tea. It gives a leafy, fruity, fatty, apple banana, strawberry note.1 It is mostly used as a flavoring agent in food. It is also used in air care products, cleaning and furnishing care products, laundry and dishwashing products.

Chemical Properties

clear colorless to light yellow liquid

Chemical Properties

(E)-2-Hexenal is the simplest straight-chain unsaturated aldehyde of interest for perfumes and flavors. It occurs in essential oils obtained from green leaves of many plants.
(E)-2-Hexenal is a colorless, sharp, herbal-green-smelling liquid with a slight acrolein-like pungency. Upon dilution, however, it smells pleasantly green and apple-like. The aldehyde can be synthesized by reacting butanal with vinyl ethyl ether in the presence of boron trifluoride, followed by hydrolysis of the reaction product with dilute sulfuric acid.
Biosynthetic methods for its production as natural flavor material have been developed.
(E)-2-Hexenal has an intense odor and is used in perfumes to obtain a green-leaf note and in fruit flavors for green nuances.

Uses

Also known as “leaf aldehyde,” it is of special interest because it is naturally present in numerous fruits and is also used as a food additive for flavoring. Feron et al. identified hexenal in about 80 different types of food.

Uses

trans-2-Hexenal is used in evaluation of quality of protected designation of origin virgin olive oils by headspace solid-phase microextraction-gas chromatography using flame ionization detection and multivariate analysis. It was used in the multicomponent method for the determination of low-molecular-weight carbonyl compounds in biological samples.

Uses

trans-2-Hexen-1-al was used in evaluation of quality of protected designation of origin virgin olive oils by headspace solid-phase microextraction-gas chromatography using flame ionization detection and multivariate analysis. It was used in the multicomponent method for the determination of low-molecular-weight carbonyl compounds in biological samples.

Definition

ChEBI: A 2-hexenal in which the olefinic double bond has E configuration. It occurs naturally in a wide range of fruits, vegetables, and spices.

Synthesis Reference(s)

Journal of the American Chemical Society, 71, p. 3468, 1949 DOI: 10.1021/ja01178a061
Tetrahedron Letters, 36, p. 8513, 1995 DOI: 10.1016/0040-4039(95)01784-F

General Description

trans-2-Hexen-1-al is an important flavoring compound that occurs naturally in tomatoes, banana and black tea.

Synthesis

trans-2-HEXENAL is synthesized by the following methods: 1) by reduction of Hexenoic acid with Formic acid vapors over Manganese dioxide at 350℃. 2) by oxidation of the corresponding Hexenol. 3) by condensation of Acetaldehyde with n-Butyraldehyde.

TRANS-2-HEXENAL Preparation Products And Raw materials

Raw materials

Acetal Hexanal

Preparation Products

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TRANS-2-HEXENAL Suppliers

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View Lastest Price from TRANS-2-HEXENAL manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Trans-2-Hexenal 6728-26-3
Price
US $56.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-05-21
WUHAN FORTUNA CHEMICAL CO., LTD
Product
trans-2-Hexenal 6728-26-3
Price
US $0.00/kg
Min. Order
1000kg
Purity
98.0%
Supply Ability
100ton/month
Release date
2023-01-14
Shandong Deshang Chemical Co., Ltd.
Product
TRANS-2-HEXENAL 6728-26-3
Price
US $10.00-7.00/kg
Min. Order
1kg
Purity
99.99%
Supply Ability
10 tons
Release date
2024-06-14

6728-26-3, TRANS-2-HEXENALRelated Search:

19-HYDROXY-4-ANDROSTENE-3,17-DIONE WIELAND-MIESCHER KETONE 1-Cyclopentenecarboxylic acid 16-methyl-20-oxopregna-5,16-dien-3-beta-yl acetate (-)-PERILLALDEHYDE CORTISONE Colchicine alpha-Ionone Androsta-1,4-diene-3,17-dione 1-ACETYL-1-CYCLOHEXENE TRANS-2-OCTENOIC ACID Prednisolone 5-ANDROSTENEDIOL Irisone Prednisone TRANS-2-HEXENOIC ACID Cortisone acetate Adrenosterone

  • trans-3-Propyalacrolein
  • trans-Hex-2-enal
  • TRANS-2-HEXEN-1-AL WITH GC
  • TRANS-2-HEXENAL 50% NATURAL
  • TRANS-2-HEXENAL 95+% FCC
  • 2-Hexenal (E)
  • trans-2-Hexenal,98%
  • trans-2-HEXANAL
  • 2-hexenal,(E)-2-hexenal
  • 2-Hexenal, (2E)-
  • TRANS-HEXEN-2-AL
  • HEXENAL-2
  • Trans-2-hexenal, natural
  • trans-2-Hexenal, Leaf aldehyde
  • BETA-PROPYLACROLEIN
  • LEAF ALDEHYDE
  • FEMA 2560
  • HEXEN-1-AL,TRANS-2-
  • HEX-2(TRANS)-ENAL
  • T2 HEXENAL
  • TRANS-2-HEXENYL ALDEHYDE
  • TRANS-2-HEXENAL
  • TRANS-2-HEXEN-1-YL ALDEHYDE
  • TRANS-2-HEXEN-1-AL
  • TRANS-3-PROPYLACROLEIN
  • (E)-hex-2-en-1-al
  • (E)-hex-2-enal
  • (E)-Hexenal
  • 2-(E)-hexenal
  • 2-trans-Hexenal
  • Hex-2(E)-enal
  • hex-trans-2-enal
  • Leafaldehyde2-Hexenal,(E)-
  • n-Hex-trans-2-enal
  • trans-2-Hexen-1-al 98%
  • trans-2-Hexenal, 95.0%(GC)
  • <i>trans</i>-2-Hexenal
  • (E)-2-Hexenal trans-2-Hexenal Leaf Aldehyde trans-2-Hexenyl Aldehyde trans-3-Propylacrolein
  • TRANS-2-HEXEL
  • trans-2-Hexenal for synthesis
  • CL049
  • Natural Trans-2-hexenal
  • (2E)-2-Hexenal
  • (E)-2-hexanal
  • (E)-2-hexen-1-al
  • (e)-2-hexena
  • (E)-2-Hexenal
  • trans-2-Hexenal,99%
  • trans-2-Hexen-1-al,trans-2-Hexenal, Leaf aldehyde
  • 2-HEXENE-1-AL
  • trans-2-Henenal
  • trans-2-Hexenyl Aldehyde Leaf Aldehyde trans-3-Propylacrolein
  • Trans-2-Hexenal（N）
  • trans-2-HEXENAL (LEAF ALDEHYDE) FCC
  • 2-Hexenal(Leaf aldehyde)
  • trans-2-Hexenal&gt
  • TRANS-2-HEXENAL USP/EP/BP
  • TRANS-2-HEXENAL/ OL