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180343

Sigma-Aldrich

trans,trans-2,4-Hexadienal

95%

Synonym(s):

Sorbaldehyde, Sorbic aldehyde

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About This Item

Linear Formula:
CH3CH=CHCH=CHCHO
CAS Number:
142-83-6
Molecular Weight:
96.13
Beilstein/REAXYS Number:
1698401
EC Number:
205-564-3
MDL number:
MFCD00007004
UNSPSC Code:
12352100
PubChem Substance ID:
24850863
NACRES:
NA.22

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.)

functional group

aldehyde

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

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk_germany

WGK 3

flash_point_f

154.0 °F - closed cup

flash_point_c

67.77 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
STBL2519
STBK2811
STBJ6997
STBH7457
STBH3892

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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)
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)
Po C Chan et al.
Archives of toxicology, 77(9), 511-520 (2003-07-25)
2,4-Hexadienal (2,4-Hx) was studied for its toxicity and carcinogenicity because of its alpha, beta-unsaturated aldehyde structure and potential link between exposure to lipid peroxidation products in the diet and human malignancies. Male and female F344N rats and B6C3F1 mice received
National Toxicology Program technical report series, (509)(509), 1-290 (2004-03-05)
2,4-Hexadienal, a colorless to yellow liquid with a pungent "green" or citrus odor, is used as a food additive for flavor enhancement, as a fragrance agent, as a starting material or intermediate in synthetic reactions in the chemical and pharmaceutical
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