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W321206

Sigma-Aldrich

trans,trans-2,4-Nonadienal

≥89%, FG

Synonym(s):

(E,E)-2,4-nonadienal, trans,trans-2,4-nonadiene aldehyde

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About This Item

Linear Formula:
CH3(CH2)3CH=CHCH=CHCHO
CAS Number:
Molecular Weight:
138.21
FEMA Number:
3212
EC Number:
Council of Europe no.:
732
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
5.194
NACRES:
NA.21
Organoleptic:
fatty; green; melon; floral
Grade:
FG
Kosher
Biological source:
synthetic
Food allergen:
no known allergens
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biological source

synthetic

Quality Level

grade

FG
Kosher

reg. compliance

EU Regulation 1334/2008 & 178/2002

vapor density

>1 (vs air)

Assay

≥89%

refractive index

n20/D 1.5207 (lit.)

bp

97-98 °C/10 mmHg (lit.)

density

0.862 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Related Categories

Biochem/physiol Actions

Odor at 1.0%
Taste at 2 ppm

Other Notes

Natural occurrence: Avocado, Brazil nut, caviar, cooked beef, chicken and pork, cooked lamb/mutton, fish, milk and roasted peanut.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

186.8 °F - closed cup

Flash Point(C)

86 °C - closed cup


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