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General Material Information

Preferred name 2-methyl octanal
Trivial Name 2-Methyloctanal
Short Description 2-methyloctanal
Formula C9 H18 O
CAS Number 7786-29-0
Deleted CAS Number 72598-55-1
FEMA Number 2727
Flavis Number 5.024
ECHA Number 232-093-0
FDA UNII L193398KLN
Nikkaji Number J65.643G
MDL MFCD00216765
COE Number 113
xLogP3-AA 3.30 (est)
NMR Predictor External link
JECFA Food Flavoring 270 2-methyloctanal
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 7786-29-0 ; 2-METHYLOCTANAL
Synonyms
  • methyl hexyl acetaldehyde
  • 2-methyl octanal
  • alpha- methyl octanal
  • 2-methyl octanaldehyde
  • methylhexylacetaldehyde
  • 2-methyloctanal
  • a- methyloctanal
  • octanal, 2-methyl-
  • 2-Methyloctanal
  • α-Methyloctanal
  • 2-Methyloctanaldehyde

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

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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):HMDB31684
FooDB:FDB008345
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 142.24165344238
Specific gravity @ 20 °C
Pounds per Gallon 6.848 to 6.914
Boiling Point 82 to 83°C @ 20 mm Hg
Acid Value 10 max KOH/g
Vapor Pressure 0.759 mmHg @ 25 °C
Flash Point TCC Value 68.89 °C TCC
logP (o/w) 3.305 est
Solubility
alcohol Yes
dipropylene glycol Yes
water, 152.1 mg/L @ 25 °C (est) Yes
water No
Stability
bath foam Unspecified
hair spray Unspecified
non-discoloring in most media Unspecified
soap Unspecified

Organoleptic Properties

Odor Type: Floral
floral, rose, lily, muguet
General comment At 100.00 %. floral rose lily muguet

Occurrences

Potential Uses

Applications
Odor purposes Aldehydic, Clover, Grapefruit, Lily, Melon
Other purposes Diffusion
Cosmetic purposes Perfuming agents

Safety Information

Safety information

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:
10 % solution: no irritation or sensitization.
Oral/Parenteral Toxicity:
oral-rat LD50 > 5000 mg/kg
Food and Chemical Toxicology. Vol. 20, Pg. 753, 1982.

Dermal Toxicity:
skin-rabbit LD50 > 5000 mg/kg
Food and Chemical Toxicology. Vol. 20, Pg. 753, 1982.

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 2-methyl octanal usage levels up to:
1.0000 % in the fragrance concentrate.
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: 3
Click here to view publication 3
average usual ppmaverage maximum ppm
baked goods: -2.00000
beverages(nonalcoholic): -1.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -1.00000
fruit ices: -1.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -2.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --

Safety references

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):7786-29-0
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :24583
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
2-methyloctanal
Chemidplus:0007786290