methyl octyl ketone
oakmoss enhancer. Constit. of essential oil of rue (Ruta graveolens)
  • Bedoukian Research
    • Bedoukian Research, Inc.
      Perfecting the Art of Chemistry
      Working closely with our customers to meet their requirements.
      Dr. Paul Bedoukian founded the company in 1972 to fill a niche as a supplier of high quality specialty aroma molecules. Today, we offer more than 350 high impact aroma chemicals, while providing custom manufacturing services to the pharmaceutical, agrochemical, and specialty chemical industries.
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      603 METHYL OCTYL KETONE ≥99.0%, Kosher
      For a mild, orange blossom odor in delicate fragrances.
      Adds ketonic notes for cheese. Also useful for fermented notes in fruits, especially apple, pear, and skin notes of bananas.
  • BOC Sciences
    • BOC Sciences
      Best of Chemicals Supplier
      Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
      BOC Sciences provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services.
      BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services spans the entire molecule development pipeline including contract research for target identification, building blocks, compound synthesis, biochemical and cellular analysis, preclinical animal tests, and clinical studies.
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      693-54-9 METHYL OCTYL KETONE 99.0%
  • CJ Latta & Associates
    • CJ Latta & Associates, LLC
      Extensive Line
      Aromatic Chemicals and Organic Acids.
      CJ Latta & Associates is a distributor of specialty aromatics and organic acids used in the formulation of flavors and fragrance manufactured worldwide. We pride ourselves on our reputation for, fair pricing, quality and reliability. We’ve built our business on successfully sourcing and developing many challenging specialty chemicals and fine ingredients for our clients.
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  • 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.
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      04-02400 2-DECANONE
  • Sigma-Aldrich
      Moving Your Chemistry Forward
      We continuously strive to advance our technology.
      With East & West Coast distribution centers, count on TCI to deliver products quickly and reliably. Over 30,000 Reagents available today in benchtop to bulk quantities. We also offer custom synthesis solutions. Sign up for a TCI account today for fast and free shipping!
      Tokyo Chemical Industry Co., Ltd. (TCI) is a leading worldwide manufacturer of specialty organic chemicals founded in 1946. TCI provides organic laboratory chemicals as well as pharmaceutical, cosmetic and functional materials. More than 70 years of synthesis experience and multi-purpose plants enable TCI to offer more than 30,000 products as well as custom synthesis.
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      D1643 2-Decanone >99.0%(GC)
  • WholeChem
    • WholeChem, LLC
      Connecting Innovators To the Building Blocks Of the Universe
      Custom manufacturer and distributor of specialty ingredients. We make global local.
      SQF-Certified Supplier
      We owe our success to our integrity, our dedication to the industry, and our commitment to our clients. We invite your inquiries regarding our current product list and any other products you may be having trouble sourcing.
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Synonyms   Articles   Notes   Search
CAS Number: 693-54-9Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 211-752-6
Nikkaji Web: J79.790A
Beilstein Number: 1747463
MDL: MFCD00009571
CoE Number: 11055
XlogP3: 3.70 (est)
Molecular Weight: 156.26860000
Formula: C10 H20 O
BioActivity Summary: listing
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: 2074  2-decanone
DG SANTE Food Flavourings: 07.150  decan-2-one
FEMA Number: 4271 2-decanone
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):693-54-9 ; 2-DECANONE
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Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 98.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.81900 to 0.82500 @  25.00 °C.
Pounds per Gallon - (est).: 6.815 to  6.865
Refractive Index: 1.42100 to 1.42800 @  20.00 °C.
Melting Point: 14.00 °C. @ 760.00 mm Hg
Boiling Point: 210.00 °C. @ 760.00 mm Hg
Acid Value: 3.00 max. KOH/g
Vapor Pressure: 0.248000 mmHg @ 25.00 °C. (est)
Vapor Density: >1 ( Air = 1 )
Flash Point: 185.00 °F. TCC ( 85.00 °C. )
logP (o/w): 3.730
Soluble in:
 water, 76.8 mg/L @ 25 °C (exp)
Insoluble in:
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Organoleptic Properties:
Odor Type: floral
Odor Strength: medium
Substantivity: > 8 hour(s) at 100.00 %
 orange  floral  fatty  peach  
Odor Description:
at 100.00 %. 
orange floral fatty peach
Flavor Type: fermented
 fermented  cheesy  
Taste Description:
fermented cheesy
Odor and/or flavor descriptions from others (if found).
Bedoukian Research
Odor Description: orange-like floral
For a mild, orange blossom odor in delicate fragrances.
Taste Description: Fermented, generic cheese notes
Adds ketonic notes for cheese. Also useful for fermented notes in fruits, especially apple, pear, and skin notes of bananas.
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Cosmetic Information:
None found
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Bedoukian Research
≥99.0%, Kosher
Odor: orange-like floral
Use: For a mild, orange blossom odor in delicate fragrances.
Flavor: Fermented, generic cheese notes
Adds ketonic notes for cheese. Also useful for fermented notes in fruits, especially apple, pear, and skin notes of bananas.
BOC Sciences
For experimental / research use only.
CJ Latta & Associates
EMD Millipore
For experimental / research use only.
Inoue Perfumery
Nagar Haveli Perfumes & Aromatics
Methyl Octyl Ketone
Odor: Orange floral fatty peach
Penta International
Santa Cruz Biotechnology
For experimental / research use only.
2-Decanone, ≥98%
Certified Food Grade Products
For experimental / research use only.
2-Decanone >99.0%(GC)
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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 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
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:
oral-mouse LD50  [sex: M] 7936 mg/kg
(Tanii et al., 1986)

oral-mouse LD50  7936 mg/kg
Toxicology Letters. Vol. 30, Pg. 13, 1986.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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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-decanone usage levels up to:
  2.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.52 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 1600 (μg/person/day)
Threshold of Concern:540 (μg/person/day)
Structure Class: II
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: 23
Click here to view publication 23
 average usual ppmaverage maximum ppm
baked goods: 5.0000025.00000
beverages(nonalcoholic): 2.0000010.00000
beverages(alcoholic): --
breakfast cereal: 2.0000010.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: 4.0000020.00000
egg products: --
fats / oils: 2.0000010.00000
fish products: 1.000005.00000
frozen dairy: 3.0000015.00000
fruit ices: 3.0000015.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 1.000005.00000
milk products: 3.0000015.00000
nut products: --
other grains: --
poultry: --
processed fruits: 2.0000010.00000
processed vegetables: 2.0000010.00000
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: 2.0000010.00000
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): 3.0000015.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 2.0000010.00000
Edible ices, including sherbet and sorbet (03.0): 3.0000015.00000
Processed fruit (04.1): 2.0000010.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 4.0000020.00000
Chewing gum (05.0): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 2.0000010.00000
Bakery wares (07.0): 5.0000025.00000
Meat and meat products, including poultry and game (08.0): 1.000005.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 1.000005.00000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 2.0000010.00000
Foodstuffs intended for particular nutritional uses (13.0): 3.0000015.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 2.0000010.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 4.0000020.00000
Ready-to-eat savouries (15.0): 5.0000025.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 2.0000010.00000
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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):
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Flavouring Group Evaluation 7 (FGE.07): Saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids from chemical group 5
View page or View pdf
Flavouring Group Evaluation 63 (FGE.63): Consideration of aliphatic secondary alcohols, ketones and related esters evaluated by JECFA (59th meeting) structurally related to saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids evaluated by EFSA in FGE.07 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf
Flavouring Group Evaluation 7, Revision 1 (FGE.07Rev1): Saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids from chemical group 5 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Scientific opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) on a request from the Commission
View page or View pdf
Flavouring Group Evaluation 7, Revision 2 (FGE.07Rev2) : Saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids from chemical group 5
View page or View pdf
Flavouring Group Evaluation 7, Revision 3 (FGE.07Rev3): Saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids from chemical group 5
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 7, Revision 4 (FGE.07Rev4): Saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids from chemical group 5
View page or View pdf
Safety and efficacy of saturated and unsaturated aliphatic secondary alcohols, ketones and esters with esters containing secondary alcohols belonging to chemical group 5 when used as flavourings for all animal species
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 7, Revision 5 (FGE.07Rev5): saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids from chemical group 5
View page or View pdf
EPI System: View
AIDS Citations: Search
Cancer Citations: Search
Toxicology Citations: Search
EPA Substance Registry Services (TSCA): 693-54-9
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 12741
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
Chemidplus: 0000693549
RTECS: HE0725000 for cas# 693-54-9
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 693-54-9
Pubchem (cid): 12741
Pubchem (sid): 134976257
Pherobase: View
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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): HMDB31409
FooDB: FDB003484
Export Tariff Code: 2914.19.0000
Typical G.C.
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
FAO: 2-Decanone
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Potential Blenders and core components note
For Odor
 intreleven aldehyde (IFF)FR
 curacao specialtyFR
 mandarin oil italyFL/FR
 acetyl tetralinFR
(Z)-4-decen-1-yl acetateFL/FR
pink frangipani absoluteFR
 leerall / methyl anthranilate schiff's baseFR
alpha-naphthyl methyl ketoneFL/FR
 nonanal / methyl anthranilate schiff's baseFR
 ocean propanal / methyl anthranilate schiff's baseFR
bitter orangeflower absolute moroccoFL/FR
 petitgrain bigarade oilFL/FR
 petitgrain oil replacerFR
 propyl anthranilateFL/FR
 surfleurs d'oranger oilFL/FR
 nerol oxideFL/FR
beta-naphthyl ethyl etherFL/FR
beta-naphthyl methyl etherFL/FR
 ethyl 5-hydroxydecanoateFL/FR
For Flavor
No flavor group found for these
(Z)-4-decen-1-yl acetateFL/FR
 ethyl 5-hydroxydecanoateFL/FR
alpha-naphthyl methyl ketoneFL/FR
 propyl anthranilateFL/FR
 surfleurs d'oranger oilFL/FR
 mandarin oil italyFL/FR
 petitgrain bigarade oilFL/FR
bitter orangeflower absolute moroccoFL/FR
 nerol oxideFL/FR
beta-naphthyl methyl etherFL/FR
beta-naphthyl ethyl etherFL/FR
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Potential Uses:
 orange blossomFR
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 ambrette seed oil @ 0.10%
Data  GC  Search Trop  Picture
 cascarilla bark oil @ 0.06%
Data  GC  Search Trop  Picture
 cheese - up to 2.5 mg/kg
Search  PMC Picture
 cheese bleu cheese - up to 2.5 mg/kg
Search  PMC Picture
 chicken - up to 2.5 mg/kg
Search  PMC Picture
 corn husk oil
Search Trop  Picture
 corn seed oil
Search Trop  Picture
 croton flavens l. (welensali) leaf oil curacao @ 0.10%
Data  GC  Search Trop  Picture
 hop oil - up to 2,600 mg/kg
Search Trop  Picture
 milk - up to 2.5 mg/kg
Search  PMC Picture
 papaya mountain papaya - up to 2.5 mg/kg
Search Trop  Picture
 rue flower oil colombia @ 1.25%
Data  GC  Search Trop  Picture
 rue oil
Search Trop  Picture
 rue oil china @ 1.31%
Data  GC  Search Trop  Picture
 rue oil cuba @ 0.72%
Data  GC  Search Trop  Picture
 shrimp - up to 2.5 mg/kg
Search  PMC Picture
 violet flower absolute @ %
Data  GC  Search Trop  Picture
Synonyms   Articles   Notes   Search   Top
 ketone, methyl octyl
 methyl N-octyl ketone
 methyl octyl ketone
 octyl methyl ketone
Synonyms   Articles   Notes   Search   Top
US Patents: 3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines
PubMed: Antioxidant and antimicrobial properties of the essential oil and extracts of Zanthoxylum alatum grown in north-western Himalaya.
PubMed: Brushed block copolymer micelles with pH-sensitive pendant groups for controlled drug delivery.
PubMed: Mass and Ion Transport in Ketones and Ketone Electrolytes: Comparison with Acetate Systems.
PubMed: Synthesis and antimalarial activity study of some new Mannich bases of 7-chloro-4-aminoquinoline.
PubMed: Simultaneous determination of ultraviolet filters in aqueous samples by plunger-in-needle solid-phase microextraction with graphene-based sol-gel coating as sorbent coupled with gas chromatography-mass spectrometry.
PubMed: [Analyze on volatile compounds of Antrodia camphorata using HS-SPME-GC-MS].
PubMed: On-chip electro membrane extraction with online ultraviolet and mass spectrometric detection.
PubMed: Isolation and characterization of 4-tert-butylphenol-utilizing Sphingobium fuliginis strains from Phragmites australis rhizosphere sediment.
PubMed: Relation between developmental stage, sensory properties, and volatile content of organically and conventionally grown pac choi (Brassica rapa var. Mei Qing Choi).
PubMed: Olfactory response of Haematobia irritans (Diptera: Muscidae) to cattle-derived volatile compounds.
PubMed: A contact sex pheromone component of the emerald ash borer Agrilus planipennis Fairmaire (Coleoptera: Buprestidae).
PubMed: Repellency property of long chain aliphatic methyl ketones against Anopheles gambiae s.s.
PubMed: Chemical characterization of territorial marking fluid of male Bengal tiger, Panthera tigris.
PubMed: Templation of the excited-state chemistry of alpha-(n-alkyl) dibenzyl ketones: how guest packing within a nanoscale supramolecular capsule influences photochemistry.
PubMed: Kinetic analysis of volatile formation in milk subjected to pressure-assisted thermal treatments.
PubMed: Nonaqueous CE using contactless conductivity detection and ionic liquids as BGEs in ACN.
PubMed: Identification of components of male-produced pheromone of coffee white stemborer, Xylotrechus quadripes.
PubMed: Biodegradation of phenol at low temperature using two-phase partitioning bioreactors.
PubMed: Estrogenic activity of cosmetic components in reporter cell lines: parabens, UV screens, and musks.
PubMed: Systemic absorption of the sunscreens benzophenone-3, octyl-methoxycinnamate, and 3-(4-methyl-benzylidene) camphor after whole-body topical application and reproductive hormone levels in humans.
PubMed: Effect of UV screens and preservatives on vitellogenin and choriogenin production in male medaka (Oryzias latipes).
PubMed: Influence of lipid fraction, emulsifier fraction, and mean particle diameter of oil-in-water emulsions on the release of 20 aroma compounds.
PubMed: Population growth impairment of sulfur-containing compounds to Tetrahymena pyriformis.
PubMed: Palladium(II)-catalyzed oxidation of aldehydes and ketones. 1. Carbonylation of ketones with carbon monoxide catalyzed by palladium(II) chloride in methanol.
PubMed: Interactions between artificial saliva and 20 aroma compounds in water and oil model systems.
PubMed: In vitro and in vivo estrogenicity of UV screens.
PubMed: Olfactory discrimination ability for homologous series of aliphatic ketones and acetic esters.
PubMed: Population growth kinetics of Tetrahymena pyriformis exposed to selected nonpolar narcotics.
PubMed: Growth kinetics of preexposed and naive populations of Tetrahymena pyriformis to 2-decanone and acetone.
PubMed: Anesthetic activity of monoketones in mice: relationship to hydrophobicity and in vivo effects on Na+/K+ -ATPase activity and membrane fluidity.
PubMed: Permeability of commercial solvents through living human skin.
PubMed: Ketone EC50 values in the Microtox test.
PubMed: Sensitivity to sunscreens.
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