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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:
1698401
EC Number:
205-564-3
MDL number:
MFCD00007004
UNSPSC Code:
12352100
PubChem Substance ID:
24850863
NACRES:
NA.22

vapor density

>1 (vs air)

Quality Level

100

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

Skull and crossbonesCorrosion
GHS06,GHS05

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

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Margaret P O'Connor et al.
Physical chemistry chemical physics : PCCP, 8(44), 5236-5246 (2007-01-05)
The atmospheric photolysis of E-2-hexenal, Z-3-hexenal and E,E-2,4-hexadienal has been investigated at the large outdoor European Photoreactor (EUPHORE) in Valencia, Spain. E-2-Hexenal and E,E-2,4-hexadienal were found to undergo rapid isomerization to produce Z-2-hexenal and a ketene-type compound (probably E-hexa-1,3-dien-1-one), respectively.
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)
Cell spreading on collagen that has been exposed to reactive aldehydes.
L Thorne et al.
Biochemical Society transactions, 20(4), 369S-369S (1992-11-01)
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