dimethyl ionone
1-penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexenyl)-
  • 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
      470 DIMETHYL IONONE ≥80.0%, Kosher
      More floral than gamma-methyl ionone. Diffusive orris character is less woody. Excellent performer in all product types.
  • Liaison Carbone
    • Liaison Carbone
      Unusual Raw Materials
      Expanding the pallet of avid amateur-perfumers.
      This website is the result of my own attempts at getting hold of aroma chemicals that were hard to come by. At least in the amounts required by hobbyists. My goal is to offer an ever-changing portfolio of fairly unusual raw materials in order to continuously expand the pallet of avid amateur-perfumers.
      Email: Info
      Email: Sales
      Voice: +49 30 246 304 18
      VELVETONE N° 470
  • 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
      04-49500 DIMETHYL IONONE
Synonyms   Articles   Notes   Search
(E)-2-methyl-1-(2,2,6-trimethyl-1-cyclohex-3-enyl)pent-1-en-3-one (Click)
CAS Number: 68555-94-2
ECHA EINECS - REACH Pre-Reg: 271-463-6
XlogP3-AA: 4.10 (est)
Molecular Weight: 220.35548000
Formula: C15 H24 O
NMR Predictor: Predict (works with chrome or firefox)
Category: 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
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Physical Properties:
Appearance: colorless to pale yellow clear liquid (est)
Assay: 80.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.92000 to 0.93000 @  25.00 °C.
Pounds per Gallon - (est).: 7.655 to  7.739
Refractive Index: 1.49500 to 1.50500 @  20.00 °C.
Boiling Point: 244.00 to  245.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.001000 mm/Hg @ 25.00 °C. (est)
Vapor Density: >1 ( Air = 1 )
Flash Point: 220.00 °F. TCC ( 104.44 °C. )
logP (o/w): 4.918 (est)
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Organoleptic Properties:
Odor Type: powdery
Odor Strength: medium
 woody  orris  violet  berry  powdery  
Odor Description:
at 100.00 %. 
woody orris violet berry powdery
Luebke, William tgsc, (1988)
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Cosmetic Information:
None found
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Bedoukian Research
≥80.0%, Kosher
Odor: powdery, woody, wonderful orris-violet
Use: More floral than gamma-methyl ionone. Diffusive orris character is less woody. Excellent performer in all product types.
Liaison Carbone
Penta International
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Safety Information:
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 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:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: fragrance agents
IFRA Other Specification: <= 2% Pseudomethylionone
Recommendation for dimethyl ionone usage levels up to:
  1.0000 % in the fragrance concentrate.
Recommendation for dimethyl ionone flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
EPA Substance Registry Services (TSCA): 68555-94-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 6437469
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
Chemidplus: 0068555942
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 68555-94-2
Pubchem (cid): 6437469
Pubchem (sid): 135064770
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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
HMDB (The Human Metabolome Database): Search
Export Tariff Code: 2914.23.0000
ChemSpider: View
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Potential Blenders and core components note
 acetyl methyl anthranilateFL/FR
 amber formateFR
 ambrette seed oilFL/FR
 amyl octanoateFL/FR
para-anisaldehyde / methyl anthranilate schiff's baseFR
para-anisyl acetateFL/FR
para-anisyl alcoholFL/FR
 anisyl propanal / methyl anthranilate schiff's baseFR
 bergamot oil bergaptene reduced italyFL/FR
 boronia absoluteFL/FR
 boronia butenalFR
isobutyl benzoateFL/FR
4-tert-butyl cyclohexane carboxaldehydeFR
isobutyl furyl propionateFL/FR
 cassie absoluteFL/FR
 cherry oxyacetateFL/FR
 cinnamyl alcoholFL/FR
 cocoa butenalFL/FR
 cocoa oleoresinFL/FR
 cocoa pentenalFL/FR
 costus root absoluteFL
 costus root oilFL
 costus root resinoidFL
 cyclohexyl acetic acidFL/FR
2-cyclohexyl cyclohexanoneFR
 cyperus root oil (cyperus rotundus)FR
 diethyl dimethyl-2-cyclohexenoneFR
2',4'-dimethyl acetophenoneFL/FR
 dimethyl alpha-iononeFR
 dimethyl anthranilateFL/FR
2,4-dimethyl cyclohexyl methyl acetateFR
 ethyl cinnamateFL/FR
 ethyl methyl-para-tolyl glycidateFL/FR
 ethyl myristateFL/FR
2-ethyl octine carbonateFL
 ethylene brassylateFL/FR
 eugenyl formateFL/FR
isoeugenyl formateFL/FR
 formoxymethyl isolongifoleneFR
 freesia heptanolFL/FR
 geranyl phenyl acetateFL/FR
isogreen methanoindeneFR
 guaiacwood oilFL/FR
 heliotropyl alcoholFL/FR
(Z)-3-hexen-1-yl (Z)-3-hexenoateFL/FR
(Z)-3-hexen-1-yl methyl carbonateFL/FR
(E)-2-hexen-1-yl salicylateFR
alpha-ionyl acetateFR
beta-ionyl acetateFL/FR
(Z)-leaf acetalFL/FR
 linaloe wood oil mexicoFL/FR
 linalool oxideFL/FR
(Z)-linalool oxide (furanoid)FL/FR
 melon nonenoateFL/FR
 methyl (E)-2-octenoateFL/FR
 methyl 2-undecynoateFL
ortho-methyl acetophenoneFL/FR
para-methyl anisoleFL/FR
 methyl benzoxoleFL/FR
6-methyl coumarinFL
 methyl heptanoateFL/FR
 methyl heptine carbonateFL/FR
para-methyl hydratropaldehydeFL/FR
(E)-beta-methyl iononeFL/FR
alpha-methyl iononeFL/FR
beta-methyl iononeFL/FR
beta-isomethyl iononeFL/FR
N-methyl iononeFR
pseudomethyl iononeCS
pseudo-isomethyl iononeCS
(E)-alpha-methyl ionone (44-50%)FL/FR
(E)-alpha-methyl ionone (50-60%)FL/FR
alpha-isomethyl ionone (50% min.)FL/FR
alpha-isomethyl ionone (60% min.)FL/FR
alpha-isomethyl ionone (70% min.)FL/FR
(E)-alpha-methyl ionone (74-80%)FL/FR
alpha-isomethyl ionone (80% min.)FL/FR
alpha-isomethyl ionone (90% min.)FL/FR
 methyl ionyl acetateFL/FR
 methyl octine carbonateFL/FR
 muguet carbinolFL/FR
 exaltone (Firmenich)FR
 musk amberolFR
 musk indaneFR
 musk tetralinFR
 myrcenyl acetateFL/FR
 myristyl alcoholFL/FR
beta-naphthyl ethyl etherFL/FR
 nonanal (aldehyde C-9)FL/FR
 nonisyl acetateFR
2-nonyn-1-al dimethyl acetalFR
 octanal dimethyl acetalFL/FR
2(1)-orris butanalFL/FR
 orris butenoneFR
 orris capronateFL/FR
 orris hexanoneFR
 orris pyridine 25% IPMFR
 orris rhizome absolute (iris pallida)FL/FR
 orris rhizome resinoid (iris pallida)FL/FR
 patchouli ethanoneFR
 peach pivalateFR
 peru balsam oilFL/FR
 petitgrain cedrat oilFL/FR
 phenoxyethyl isobutyrateFL/FR
 powdery ketoneFL
para-isopropyl acetophenoneFL/FR
isopropyl phenyl acetateFL/FR
 rhodinyl phenyl acetateFL/FR
 sandal octanolFR
(+)-alpha-santalyl acetateFL/FR
 styralyl formateFL/FR
 tetrahydrofurfuryl propionateFL
 timber propanolFR
 TMH aldehydeFR
 veltonal (Bedoukian)FR
 tolualdehydes (mixed o,m,p)FL/FR
2,3,5-trimethyl pyrazineFL/FR
 tropical iononeFL/FR
para-vanillic acidFL/FR
 vanillyl acetateFL/FR
 vanillylidene acetoneFL/FR
 vetiver pentanoneFR
 vetiveryl acetateFL/FR
 violet decenolFR
 violet dienyneFR
 violet leaf absoluteFL/FR
 violet leaf concreteFR
 violet methyl carbonateFR
 violet nitrileFR
 violet propanolFR
(Z)-woody amyleneFR
 woody epoxideFR
 woody nonane (ethoxy)FR
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Potential Uses:
 orris irisFR
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Natural Occurrence in: note
 not found in nature
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2-methyl-1-(2,2,6-trimethyl cyclohexen-1-yl) pent-1-en-3-one
1-penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexenyl)-
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 None found yet.
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click on the picture(s) below to
interact with the 3D model
Picture of molecule
Soluble in:
 water, 1.236 mg/L @ 25 °C (est)
Insoluble in:
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