Used as a food additive [EAFUS]
  • Bedoukian Research
    • Bedoukian Research, Inc.
      Constantly Improving
      Working closely with our customers to meet their requirements.
      Paul Bedoukian founded the company to fill a niche as a supplier of high quality specialty aroma and flavor ingredients. In 1975 the company began manufacturing insect pheromones which are chemically similar to flavor and fragrance ingredients. Today, Bedoukian Research offers more than 450 Aroma Chemicals and 50 Insect Pheromones, while also providing custom manufacturing services to the pharmaceutical, agrochemical, and specialty chemical industries.
      US Email: Customer Service
      US Voice: 1-203-830-4000
      US Fax: 1-203-830-4010
      Products List: View
      341 e,z-2,6-DODECADIEN-1-AL ≥90.0% (trans,cis), Kosher
      Powerful. Blends well with citrus and florals to add freshness and watery notes.
      Has application in watermelon, parsley and mushroom flavors.
  • Penta International
    • Penta International Corporation
      Chemistry innovation
      At Penta, our products and services help businesses do business better.
      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
      US Email: Technical Services
      US Email: Sales
      US Voice: (973) 740-2300
      US Fax: (973) 740-1839
      04-87400 trans-2-cis-6-DODECADIENAL, Kosher
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(2E,6Z)-dodeca-2,6-dienal (Click)
CAS Number: 21662-13-5Picture of molecule
ECHA EINECS - REACH Pre-Reg: 244-515-0
Beilstein Number: 4374899
XlogP3-AA: 3.80 (est)
Molecular Weight: 180.29060000
Formula: C12 H20 O
NMR Predictor: Predict (works with chrome or firefox)
Category: flavor and fragrance agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist: Search
Google Patents: Search
US Patents: Search
EU Patents: Search
Pubchem Patents: Search
PubMed: Search
NCBI: Search
JECFA Food Flavoring: 1197  2-trans-6-cis-dodecadienal
Flavis Number: 05.120 (Old)
DG SANTE Food Flavourings: 05.120  (E,Z)-2,6-dodecadienal
FEMA Number: 3637  (E,Z)-2,6-dodecadienal
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Physical Properties:
Appearance: yellow clear liquid (est)
Assay: 97.50 to 100.00 % sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity: 0.98700 to 0.99300 @  25.00 °C.
Pounds per Gallon - (est).: 8.213 to  8.263
Refractive Index: 1.42500 to 1.43100 @  20.00 °C.
Boiling Point: 130.00 to  131.00 °C. @ 5.00 mm Hg
Boiling Point: 115.00 °C. @ 0.10 mm Hg
Acid Value: 2.00 max. KOH/g
Vapor Pressure: 0.008000 mm/Hg @ 25.00 °C. (est)
Flash Point: 210.00 °F. TCC ( 98.89 °C. )
logP (o/w): 4.327 (est)
Soluble in:
 water, 11.33 mg/L @ 25 °C (est)
Insoluble in:
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Organoleptic Properties:
Odor Type: fatty
Odor Strength: low ,
recommend smelling in a 10.00 % solution or less
 citrus  mandarin  orange  melon  
Odor Description:
at 10.00 % in dipropylene glycol. 
deep citrus mandarin orange melon
 fatty  green  aldehydic  spicy  melon  
Odor Description:
Fatty, green, aldehydic with a spice and melon nuance
Mosciano, Gerard P&F 18, No. 3, 53, (1993)
 green  herbal  waxy  aldehydic  
Taste Description:
at 20.00 ppm.  
Green, herbal, waxy and aldehydic
Mosciano, Gerard P&F 18, No. 3, 53, (1993)
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Cosmetic Information:
None found
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Bedoukian Research
≥90.0% (trans,cis), Kosher
Odor: A fatty, green, aldehydic character with spice, melon undertones
Use: Powerful. Blends well with citrus and florals to add freshness and watery notes.
Flavor: green
Has application in watermelon, parsley and mushroom flavors.
Penta International
trans-2-cis-6-DODECADIENAL, Kosher
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Safety Information:
European information :
Most important hazard(s):
None - None found.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for (E,Z)-2,6-dodecadienal usage levels up to:
  0.5000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.44 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.009 (μg/capita/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: 12
Click here to view publication 12
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): -2.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: -0.02000
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: -2.00000
granulated sugar: --
gravies: -5.00000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -0.02000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: -0.01000
snack foods: -0.01000
soft candy: -2.00000
soups: -0.01000
sugar substitutes: --
sweet sauces: --
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Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of alpha,beta-unsaturated aldehydes and related substances used as flavor ingredients.View pdf
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
EPI System: View
EPA Substance Registry Services (TSCA): 21662-13-5
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 6430759
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
Chemidplus: 0021662135
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 21662-13-5
Pubchem (cid): 6430759
Pubchem (sid): 135263324
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
HMDB (The Human Metabolome Database): HMDB32531
FooDB: FDB010401
Export Tariff Code: 2912.19.9000
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Read: Under the conditions of intended use - New developments in the FEMA GRAS program and the safety assessment of flavor ingredients
Read: A GRAS assessment program for flavor ingredients
Read: Sensory testing for flavorings with modifying properties. Food Technology
Read: Criteria for the safety evaluation of flavoring substances
Read: A procedure for the safety evaluation of natural flavor complexes used as ingredients in food: essential oils
Read: FEMA Expert Panel: 30 Years of safety evaluation for the flavor industry
Read: Consumption ratio and food predominance of flavoring materials
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Potential Blenders and core components note
For Odor
 octane nitrileFR
10-undecenal (aldehyde C-11 undecylenic)FL/FR
 aldehydic nitrileFR
2,4-dimethyl-3-cyclohexene-1-methanyl acetateFR
 marine decadienalFR
 octanal glycol acetalFR
 petitgrain mandarin oil terpenelessFL/FR
 ethyl methyl anthranilateFL/FR
 cilantro leaf oilFL/FR
 cumin acetaldehydeFL/FR
isocyclocitral (IFF)FL/FR
 green carbaldehydeFR
 hexanal (aldehyde C-6)FL/FR
(Z)-3-hexen-1-yl oxyacetaldehydeFR
(E)-2-octen-1-yl acetateFL/FR
 octyl isobutyrateFL/FR
For Flavor
No flavor group found for these
 cumin acetaldehydeFL/FR
isocyclocitral (IFF)FL/FR
 ethyl methyl anthranilateFL/FR
 cilantro leaf oilFL/FR
 octyl isobutyrateFL/FR
10-undecenal (aldehyde C-11 undecylenic)FL/FR
 petitgrain mandarin oil terpenelessFL/FR
 hexanal (aldehyde C-6)FL/FR
(E)-2-octen-1-yl acetateFL/FR
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Potential Uses:
 fungus mushroomFR
 melon watermelon muskmelon cantaloupe 
 reseda mignonetteFR
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Occurrence (nature, food, other): note
 orange peel oil
Search Trop  Picture
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2,6-dodecadienal, (2E,6Z)-
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