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General Material Information

Preferred name (E)-2-nonenal
Trivial Name (E)-2-Nonenal
Short Description trans-2-nonenal
Formula C9 H16 O
CAS Number 18829-56-6
FEMA Number 3213
Flavis Number 5.072
ECHA Number 242-609-6
FDA UNII 8VEO649985
Nikkaji Number J110.528K
Beilstein Number 1722170
MDL MFCD00007012
COE Number 733
xLogP3-AA 3.10 (est)
NMR Predictor External link
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
Synonyms
  • (E)- cucumber aldehyde natural
  • (E)- heptylidene acetaldehyde
  • (E)-3-hexyl acrolein
  • (E)-3-hexyl-2-propenal
  • (2E)- non-2-enal
  • (E)- non-2-enal
  • trans- non-2-enal
  • trans-2-nonen-1-al
  • (E)-2-nonen-1-al
  • trans-2-nonen-1-al
  • (2E)- nonenal
  • (2E)-2-nonenal
  • (E)-2-nonenal
  • T2 nonenal
  • trans-2-nonenal
  • trans-2-nonenal 1% in ethanol natural
  • trans-2-nonenal 1% in triethyl citrate natural
  • trans-2-nonenal 10% in liponate natural
  • trans-2-nonenal natural 1% in ETOH (EU & US natural)
  • trans-2-nonenal natural 5% in ETOH (EU & US natural)
  • trans-2-nonenal natural 5% in natural ethyl acetate (EU & US natural)
  • 2-nonenal, (2E)-
  • 2-nonenal, (E)-
  • 2-nonenal, (trans)-isomer
  • (E)-non-2-enal
  • 2-Nonenal, (2E)-
  • 2-Nonenal, (E)-
  • (2E)-2-Nonenal
  • trans-2-Nonenal
  • trans-2-Nonen-1-al
  • 2-trans-Nonenal
  • (E)-2-Nonen-1-al
  • (2E)-Non-2-enal
  • (2E)-Nonenal
  • (E)-Nonen-1-al
  • (2E)-Nonen-1-al

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

(E)-non-2-enal
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:18829-56-6
Pubchem (cid):5283335
Pubchem (sid):134982395
Flavornet:18829-56-6
Pherobase:View
Publications by Info
Volatile Flavor Components in Bogyojosaeng and Suhong Cultivars of Strawberry (Fragaria ananassa Duch.)
Publications by PubMed
Identification of Potent Odorants in a Novel Nonalcoholic Beverage Produced by Fermentation of Wort with Shiitake (Lentinula edodes).
Ultrahigh performance liquid chromatography analysis of volatile carbonyl compounds in virgin olive oils.
Cooked carrot volatiles. AEDA and odor activity comparisons. Identification of linden ether as an important aroma component.
Influence of heating and acidification on the flavor of whey protein isolate.
Influence of endogenous ferulic acid in whole wheat flour on bread crust aroma.
Comparison of the flavor chemistry and flavor stability of mozzarella and cheddar wheys.
Studies on the key aroma compounds in soy milk made from three different soybean cultivars.
Volatile compounds with characteristic odour in moso-bamboo stems (Phyllostachys pubescens Mazel ex Houz. De ehaie).
Identification and formation of volatile components responsible for the characteristic aroma of mat rush (igusa).
Decrease of aged beer aroma by the reducing activity of brewing yeast.
Binding of flavor compounds and whey protein isolate as affected by heat and high pressure treatments.
Comparison of odor-active compounds from six distinctly different rice flavor types.
Aroma components of American country ham.
Instrumental and sensory characterization of heat-induced odorants in aseptically packaged soy milk.
An assessment of the role played by some oxidation-related aldehydes in wine aroma.
Characterization of aroma-active compounds in rainbow trout (Oncorhynchus mykiss) eliciting an off-odor.
Characterization and semiquantitative analysis of volatiles in seedless watermelon varieties using solid-phase microextraction.
Identification of a stale-beer-like odorant in extracts of naturally aged beer.
The cytotoxic and genotoxic effects of conjugated trans-2-nonenal (T2N), an off-flavor compound in beer and heat processed food arising from lipid oxidation.
Enzymatic hydrogenation of trans-2-nonenal in barley.
Further insights into the role of methional and phenylacetaldehyde in lager beer flavor stability.
Identification and sensory evaluation of volatile compounds in oxidized porcine liver.
Determination of stale-flavor carbonyl compounds in beer by stir bar sorptive extraction with in-situ derivatization and thermal desorption-gas chromatography-mass spectrometry.
Release of deuterated (E)-2-nonenal during beer aging from labeled precursors synthesized before boiling.
How low pH can intensify beta-damascenone and dimethyl trisulfide production through beer aging.
Quantitation of odor-active compounds in rye flour and rye sourdough using stable isotope dilution assays.
Fresh cucumber flavor in refrigerated pickles: comparison of sensory and instrumental analysis.
Relationships between antioxidant activity, color, and flavor compounds of crystal malt extracts.
Determination of key aroma compounds in the crumb of a three-stage sourdough rye bread by stable isotope dilution assays and sensory studies.
Solid-phase microextraction (SPME) technique for measurement of generation of fresh cucumber flavor compounds.
Apparatus for the quantitative analysis of the aroma of french bread and its loss during storage.
Aroma components of an oil-based grill flavoring by direct thermal desorption-gas chromatography-olfactometry and sample dilution analysis.
In vitro antibacterial activity of some aliphatic aldehydes from Olea europaea L.
Identification of character impact odorants of different soybean lecithins.
Influence of variety and growing location on the development of off-flavor in precooked vacuum-packed potatoes.
Release of deuterated nonenal during beer aging from labeled precursors synthesized in the boiling kettle.
trans-2-Nonenal insect repellent, insecticide, and flavor compound in carrot roots, cell suspensions, and "hairy" root cultures.

Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
CHEBI:View
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB31269
FooDB:FDB003312
YMDB (Yeast Metabolome Database):YMDB01794
Export Tariff Code:2912.19.9000
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 140.2257232666
Specific gravity @ 25 °C
Pounds per Gallon 7.114 to 7.198
Refractive Index 1.454 to 1.46 @ 20 °C
Boiling Point 88 to 90°C @ 12 mm Hg
Boiling Point 188 to 190°C @ 760 mm Hg
Acid Value 5 max KOH/g
Vapor Pressure 0.256 mmHg @ 25 °C
Vapor Density 4.8
Flash Point TCC Value 84.44 °C TCC
logP (o/w) 3.319 est
Solubility
alcohol Yes
dipropylene glycol Yes
fixed oils Yes
water, 204.9 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Fatty
fatty, green, cucumber, aldehydic, citrus
Odor strength high , recommend smelling in a 1.00 % solution or less
Substantivity > 8 hour(s) at 100.00 %
General comment At 1.00 % in dipropylene glycol. fatty green cucumber aldehydic citrus
Mosciano, Gerard P&F 16, No. 3, 79, (1991) Green, cucumber, aldehydic, fatty with a citrus nuance
Flavor Type: Green
green, soapy, cucumber, melon, aldehydic, fatty
Mosciano, Gerard P&F 16, No. 3, 79, (1991) At 10.00 ppm. Green, soapy, cucumber / melon-like with an aldehydic / fatty nuance
Citrus especially orange, melon especially cantaloupe. Sweet, fatty, citrus, melon
General comment Slight oily fried taste with nutty background

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable gloves and eye/face protection.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Human Experience:
4 % solution: no irritation or sensitization.
Oral/Parenteral Toxicity:
oral-rat LD50 5000 mg/kg

Dermal Toxicity:
skin-rabbit LD50 3700 mg/kg

Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for (E)-2-nonenal usage levels up to:
4.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 1.70 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.12 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 740 (μg/person/day)
Threshold of Concern:1800 (μg/person/day)
Structure Class: I
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 4
Click here to view publication 4
average usual ppmaverage maximum ppm
baked goods: -0.20000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: -0.20000
cheese: --
chewing gum: --
condiments / relishes: -0.20000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: -0.20000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -0.20000
milk products: -0.20000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -0.20000
sugar substitutes: --
sweet sauces: --
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 1.660002.23000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): --
Edible ices, including sherbet and sorbet (03.0): --
Processed fruit (04.1): --
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 1.390002.09000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 1.660002.23000
Bakery wares (07.0): 2.450003.35000
Meat and meat products, including poultry and game (08.0): 1.700003.51000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): --
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0): --
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 1.140001.92000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): --
Ready-to-eat savouries (15.0): --
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): --

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 200, Revision 1 (FGE.200 Rev.1): 74 a,ß-unsaturated aliphatic aldehydes and precursors from chemical subgroup 1.1.1 of FGE.19
View page or View pdf

Safety and efficacy of 26 compounds belonging to chemical group 3 (a,ß-unsaturated straight-chain and branched-chain aliphatic primary alcohols, aldehydes, acids and esters) when used as flavourings for all animal species and categories
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 5, Revision 3 (FGE.05Rev3): Branched- and straight-chain unsaturated aldehydes, dienals, unsaturated and saturated carboxylic acids and related esters with saturated and unsaturated aliphatic alcohols and a phenylacetic acid related ester from chemical groups 1, 2, 3, 5 and 15
View page or View pdf

EPI System: View
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):18829-56-6
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5283335
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
(E)-non-2-enal
Chemidplus:0018829566
RTECS:RA8509050 for cas# 18829-56-6