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W342300

Sigma-Aldrich

trans-2-Undecenal

≥95%, stabilized, FG

Synonym(s):

(E)-2-Undecenal

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About This Item

Linear Formula:
CH3(CH2)7CH=CHCHO
CAS Number:
Molecular Weight:
168.28
FEMA Number:
3423
EC Number:
Council of Europe no.:
11827
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
5.184
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Halal
Kosher

reg. compliance

EU Regulation 1334/2008 & 178/2002

Assay

≥95%

may contain

<0.50% alpha-tocopherol, synthetic as stabilizer

impurities

0.1-3.5% cis-2-undecenal

refractive index

n20/D 1.457 (lit.)

bp

115 °C/10 mmHg (lit.)

density

0.849 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

orange; citrus; fruity

SMILES string

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

InChI

1S/C11H20O/c1-2-3-4-5-6-7-8-9-10-11-12/h9-11H,2-8H2,1H3/b10-9+

InChI key

PANBRUWVURLWGY-MDZDMXLPSA-N

General description

trans-2-undecenal is mainly formed due to the oxidation of triolein while heating. It occurs naturally in coriander, fresh red pepper and watermelon.

Pictograms

Environment

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Acute 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F

Flash Point(C)

113 °C


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Composition of coriander leaf volatiles.
Potter TL & Fagerson IS.
Journal of Agricultural and Food Chemistry, 38(11), 2054-2056 (1990)
Identification of some volatile compounds from Citrullus vulgaris.
Kemp TR.
Phytochemistry, 14(12), 2637-2638 (1975)
Quantitation of volatile compounds in heated triolein by static headspace capillary gas chromatography/infrared spectroscopy-mass spectrometry.
Mahungu SM, et al.
Journal of the American Oil Chemists' Society, 71(4), 453-455 (1994)
Volatiles of fresh and commercial sweet red pepper pastes: processing methods and microwave assisted extraction
Gogus F, et al.
International journal of food properties, 18(8), 1625-1634 (2015)
De-Wei Chen et al.
Food chemistry, 286, 71-77 (2019-03-05)
Lipids, particularly phospholipids, are known to play a significant role in the characteristic aroma of the different meat species. Both neutral lipids and phospholipids were extracted from egg yolk and added to minced chicken (1% w/w) prior to cooking in

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