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Sigma-Aldrich

trans-2,cis-6-Nonadienal

95%

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Synonym(s):
Violet leaf aldehyde
Linear Formula:
C2H5CH=CHCH2CH2CH=CHCHO
CAS Number:
557-48-2
Molecular Weight:
138.21
EC Number:
209-178-6
MDL number:
MFCD00007009
PubChem Substance ID:
24857729
NACRES:
NA.22

Quality Level

100

Assay

95%

refractive index

n20/D 1.474 (lit.)

bp

94-95 °C/18 mmHg (lit.)

density

0.86 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/C9H14O/c1-2-3-4-5-6-7-8-9-10/h3-4,7-9H,2,5-6H2,1H3/b4-3-,8-7+

InChI key

HZYHMHHBBBSGHB-ODYTWBPASA-N

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General description

Unialgal cultures of various Synurophycean species for the occurrence of trans-2,cis-6-nonadienal have been investigated.

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

181.4 °F

Flash Point(C)

83 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Production of the taste/odor-causing compound, trans-2, cis-6-nonadienal, within the synurophyceae.
Wee JL, et al.
Journal of Applied Phycology, 6(4), 365-369 (1994)
Cheryl Palma-Harris et al.
Journal of agricultural and food chemistry, 50(17), 4875-4877 (2002-08-09)
The ability of nonacidified, refrigerated pickled cucumbers to produce the fresh cucumber flavor impact compounds (E,Z)-2,6-nonadienal and (E)-2-nonenal declined during storage. Production of these compounds decreased as the pH of refrigerated cucumbers was reduced. Despite the fact that the concentrations
Pinar Omür-Ozbek et al.
Environmental science & technology, 45(2), 468-473 (2010-12-15)
Modeling of human exposure to aqueous algal odorants geosmin (earthy), 2-methylisoborneol (musty), and (trans,cis)-2,6-nonadienal (cucumber, fishy), and the solvent trichloroethylene (sweet chemical), was investigated to improve the understanding of water-air transfer by including humans as sensors to detect contaminants. A
U Dittberner et al.
Mutation research, 335(3), 259-265 (1995-12-01)
The genotoxic effects of the 2-alkenals crotonaldehyde, 2-trans-hexenal and 2-trans-6-cis-nonadienal were studied by cytogenetic methods, analyzing frequencies of sister-chromatid-exchanges, numerical and structural chromosome aberrations and micronucleus induction in human blood lymphocytes and cells of the permanent Namalva line. Crotonaldehyde and
Michael Czerny et al.
Journal of agricultural and food chemistry, 50(23), 6835-6840 (2002-10-31)
An investigation on the odor-active compounds of wholemeal (WWF) and white wheat flour (WF 550) by aroma extract dilution analysis (AEDA) and by quantitative studies using stable isotope dilution assays (SIDA) revealed a significant number of odor-active compounds, such as
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