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CAS Number: 13019-16-4Picture of molecule3D/inchi
Nikkaji Web:J450.280I
XlogP3-AA:4.50 (est)
Molecular Weight:182.30654000
Formula:C12 H22 O
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category: flavoring 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
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Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
FEMA Number:4616 2-hexylidenehexanal
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):13019-16-4 ; 2-HEXYLIDENEHEXANAL
Physical Properties:
Appearance:colorless to pale green clear liquid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.84000 to 0.85000 @ 25.00 °C.
Pounds per Gallon - (est).: 6.990 to 7.073
Refractive Index:1.45600 to 1.46000 @ 20.00 °C.
Melting Point: 132.00 to 133.00 °C. @ 760.00 mm Hg
Boiling Point: 262.00 to 264.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure:0.011000 mmHg @ 25.00 °C. (est)
Flash Point: 160.00 °F. TCC ( 160.00 °C. ) (est)
logP (o/w): 4.756 (est)
Shelf Life: 24.00 month(s) or longer if stored properly.
Soluble in:
 water, 6.5 mg/L @ 25 °C (est)
Insoluble in:
Organoleptic Properties:
Odor Type: green
Odor Strength:medium
Substantivity:79 hour(s) at 100.00 %
aldehydic green watery fruity metallic oily tropical fatty sweaty goaty
Odor Description:at 100.00 %. aldehydic green watery fruity metallic oily tropical fatty sweaty goaty
Luebke, William tgsc, (2021)
Odor sample from: Alfrebro LLC/ Archer Daniels Midland Company
Flavor Type: green
green vegetable leafy cucumber oily herbal fatty watercress violet
Taste Description: green vegetable leafy cucumber oily herbal fatty watercress violet
Luebke, William tgsc, (2021)
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
Odor: aldehydic green watery fruity metallic oily tropical fatty sweaty goaty
Use: Luebke, William tgsc, (2021)
Flavor: green vegetable leafy cucumber oily herbal fatty watercress violet
Luebke, William tgsc, (2021)
For experimental / research use only.
2-Octenal, 2-butyl-
Beijing Lys Chemicals
Penta International
2-Butyl-2-octenal, natural (US), ≥95%
Odor: green; vegetable
Certified Food Grade Products
Safety Information:
Preferred SDS: View
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
Safety in Use Information:
flavoring agents
Recommendation for 2-butyl-2-octenal usage levels up to:
 not for fragrance use.
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: 24
Click here to view publication 24
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 0.002000.01000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: 0.050000.10000
soft candy: --
soups: 0.100000.50000
sugar substitutes: --
sweet sauces: --
Safety References:
EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5352696
National Institute of Allergy and Infectious Diseases:Data
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):5352696
Pubchem (sid):134989587
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
FDA Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB38972
VCF-Online:VCF Volatile Compounds in Food
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 pork cured and uncured
Search PMC Picture
 tea leaf
Search Trop Picture
 wheat flour heated
Search Trop Picture
2-hexylidene hexanal
 oct-2-enal, 2-butyl-
2-octenal, 2-butyl-
The E-form is a Pheromone isol. from the glands of Amblypelta nitida and Oecophylla longinoda. Also found in essential oils of Acorus calamus (sweet flag) and Lactuca sativa [CCD]
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