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Sigma-Aldrich

trans,trans-2,4-Hexadienal

95%

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Synonym(s):
Sorbaldehyde, Sorbic aldehyde
Linear Formula:
CH3CH=CHCH=CHCHO
CAS Number:
142-83-6
Molecular Weight:
96.13
Beilstein:
1698401
EC Number:
205-564-3
MDL number:
MFCD00007004
PubChem Substance ID:
24850863

vapor density

>1 (vs air)

Assay

95%

form

liquid

refractive index

n20/D 1.541 (lit.)

bp

69 °C/20 mmHg (lit.)

density

0.895 g/mL at 20 °C
0.871 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[H]C(=O)\C=C\C=C\C

InChI

1S/C6H8O/c1-2-3-4-5-6-7/h2-6H,1H3/b3-2+,5-4+

InChI key

BATOPAZDIZEVQF-MQQKCMAXSA-N

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General description

trans,trans-2,4-Hexadienal is an α,β-unsaturated aldehyde used as a food additive and as a starting material in various chemical and pharmaceutical industries.

Application

trans,trans-2,4-Hexadienal (sorbic aldehyde) was used in the synthesis of chiral cycloadducts.

Pictograms

CorrosionSkull and crossbones
GHS05,GHS06

Signal Word

Danger

Hazard Statements

H301 + H311 - H314 - H317

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

154.0 °F - closed cup

Flash Point(C)

67.77 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Influence of 1-butanethiol and metal ions on hydrogenation of trans, trans-2, 4-hexadienal at platinum nanocatalysts
Du, YK and Xu, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 257, 75-78 (2005)
De novo asymmetric synthesis of two 5-amino-5, 6-dideoxy-D-allose derivatives.
Tetrahedron Letters, 35(31), 5653-5656 (1994)
Atmospheric reactions between E, E-2, 4-hexadienal and OH, NO3 radicals and Cl atoms
Colmenar, et al.
Atmospheric Environment, 99, 159-167 (2014)
Ping C Lee et al.
Toxicology letters, 136(3), 173-181 (2002-12-31)
Since a number of food and food products contain 2,4-hexadienal (HX), an unsaturated aldehyde, human exposure to HX is likely. Long term HX feeding to rodents induces forestomach cancers. Aldehyde dehydrogenases (ALDH) are key enzymes in the stomach for the
C Janzowski et al.
Mutagenesis, 18(5), 465-470 (2003-09-10)
Alpha,beta-unsaturated carbonyl compounds occur in food and other environmental media. Due to their reactivity with cellular nucleophiles (e.g. Michael adduct formation with DNA bases and with glutathione) they might represent a potential health risk. In this study, induction of oxidative
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