alpha-isomethyl ionone (80% min.)
Blends well with woody notes. Gives good body.
  • Azelis
    • Azelis UK Life Sciences
      Chemical Distribution
      Azelis is a leading global distributor of speciality chemicals.
      Azelis is a leading global speciality chemicals distributor. We provide a diverse range of products and innovative services to more than 20,000 customers. Our in-depth local knowledge is supported by an international structure and value-added services including high levels of technical support and tailored solutions.
      Email: Graham Bott
      Voice: +32 3 613 01 20
      Fax: +32 3 613 01 21
      United Kingdom+44 (0) 1992 82 55 55
      United Kingdom+44 (0) 1992 82 55 66
      RSS Feeds
  • Berjé
    • Berje Inc.
      The solution is clear
      Where the world comes to its senses - Berjé is a global distributor of Essential Oils and Aromatic Chemicals.
      Berjé is a family-owned business that has been in operation for six decades. The company's origins and strength lie in a profound understanding of the supply and the quality of the diverse raw materials consumed by the flavor and fragrance industries. This base was expanded upon more than two decades ago to include fragrance production. The company's unparalleled raw material expertise is focused on the supply of essential oils and aromatic chemicals. This is supported by our long-standing relationships with a worldwide fabric of producers ensuring the greatest prospects for uninterrupted supply in markets that are often volatile and unpredictable.
      Email: For Information
      Email: For Sales
      Voice: 973-748-8980
      Fax: 973-680-9618
      Flavor Ingredients
      Fragrance Ingredients
      Functional Ingredients
      Happening at Berje
      Methyl Ionone Extra
  • Lluch Essence
    • Lluch Essence S.L.
      A family company dedicated to sales and distribution
      Flexibility, availability, price and quality.
      Flexibility, availability, price and quality make LLUCH ESSENCE S.L. one of Europe’s references when it comes to essential oils and aroma chemicals, and it is now well known all around the world.
      Email: Info
      Voice: 34 93 379 38 49
      Fax: 34 93 370 65 04
      gamma-METHYL IONONE
  • Moellhausen
    • Moellhausen S.P.A.
      Innovation and commitment in the name of excellence.
      After 50 years in business, Moellhausen stands out as one of the world’s leading family-run companies in the industry of flavors and fragrances, raw materials, and specialties. My personal history is inextricably bound to that of the company, and I continue to dedicate all my energy to it along with our partners and collaborators who have supported us thus far with dedication, passion, love, and experience. Continuous investments and a professionalism aimed at achieving the highest levels of performance in service and quality, along with that same dedication, passion, love, and experience, have together enabled us to reach the absolute avant-garde level that characterizes Moellhausen today, recognized worldwide for its modernity, innovation, creativity, and respect for the environment and the safety and rights of those who work with us. As President and CEO of the company for 32 years, I offer a well-deserved thank you to all of our numerous customers, suppliers, employees, and company friends for helping to sustain our unstoppable and honorable growth. And it is with the support of all of our stakeholders that we will confidently continue to pursue our commitment to further advancing the excellence that our industry demands.
      Voice: +39 039.685.6262
      Fax: +39 039.685.6263
      A network of knowledge to grow together
      Sustainability is at the foundation of a
      Pervasive technology and total control
      123800 METHYL IONONE 100
  • Taytonn
      Supplying Asia Pacific
      We fully understand the demands of the F&F industry and we endeavour to supply quality products, with ready availability and a personalised service.
      Since 2001 TAYTONN has been distributing key ingredients to the Fragrance and Flavor industry in Asia. We work closely with customers, principals and vendors. Together we forecast demand and match it with supply of aroma chemicals, essential oils and natural isolates & extracts. Sourced from around the world, our F&F ingredient inventory in Singapore is ready to ship to any location in Asia and beyond. Time and again, we help our principals introduce new discoveries to the F&F market - stimulating creativity and bringing value added proposition to our customers.
      Email: Info
      Email: Sales
      Voice: + 65 - 6861 8113
      Fax: + 65 - 6861 8115
      Methyl Ionone Gamma Coeur
  • The Lermond Company
    • The Lermond Company
      Your Sourcing Resource
      The Lermond family has been sourcing raw materials for the flavor and fragrance industry for nearly 7 decades.
      The Lermond Company is a women-owned distributor of raw materials primarily servicing the flavor and fragrance industry. For three generations, members of the Lermond family have been integral sourcing partners for the North American flavor and fragrance industry. We supply high quality essential oils, aroma chemicals, absolutes, concretes, resinoids and floral waters from around the world to the global industry.
      Email: Info
      Email: Tara
      Email: Erica
      Voice: 201-896-3300
      Fax: 201-623-2910
      Methyl Ionone Gamma Coeur
  • Vigon International
    • Vigon International, Inc.
      Passion for Simplicity
      Manufacturer and supplier of high quality flavor and fragrance ingredients.
      The growth and success of Vigon is due in large part to a unique corporate concept that Vigon has developed and established within the industry: Creative Partnerships. This partnership concept has been and continues to be the foundation and guiding principle for all of Vigon's activities.
      US Email: Sales
      US Voice: 570-476-6300
      US Fax: 570-476-1110
      Products List: View
      500906 Isoraldeine 95 (Gamma Methyl Ionone 83%)
Synonyms   Articles   Notes   Search
Fragrance Demo Formulas
(E)-3-methyl-4-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-2-one (80% min.) (Click)
CAS Number: 127-51-5Picture of molecule
% from: 80.00% to 89.00%
ECHA EINECS - REACH Pre-Reg: 204-846-3
CoE Number: 169
XlogP3-AA: 3.30 (est)
Molecular Weight: 206.32854000
Formula: C14 H22 O
NMR Predictor: Predict (works with chrome or firefox)
Also(can) Contains: (E)-alpha-methyl ionone (74-80%) 1.00% to 10.00%
 beta-isomethyl ionone 1.00% to 10.00%
 (E)-beta-methyl ionone 0.10% to 5.00%
 pseudomethyl ionone 0.10% to 2.00%
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
JECFA Food Flavoring: 404  alpha-iso-methylionone (80% min.)
Flavis Number: 07.036 (Old)
FEMA Number: 2714  alpha-iso-methylionone (80% min.)
FDA Regulation:
Subpart F--Flavoring Agents and Related Substances
Sec. 172.515 Synthetic flavoring substances and adjuvants.
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Physical Properties:
Appearance: colorless to yellow clear liquid (est)
Assay: 80.00 to 100.00 % sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity: 0.92500 to 0.92900 @  25.00 °C.
Pounds per Gallon - (est).: 7.697 to  7.730
Refractive Index: 1.50000 to 1.50200 @  20.00 °C.
Boiling Point: 93.00 °C. @ 3.10 mm Hg
Boiling Point: 232.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.003000 mm/Hg @ 25.00 °C. (est)
Flash Point: > 230.00 °F. TCC ( > 110.00 °C. )
logP (o/w): 4.079 (est)
Soluble in:
 water, 2.98 mg/L @ 25 °C (est)
Insoluble in:
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Organoleptic Properties:
Odor Type: floral
Odor Strength: medium ,
recommend smelling in a 10.00 % solution or less
 woody  violet  floral  
Odor Description:
at 10.00 % in dipropylene glycol. 
woody violet floral
 floral  fruity  berry  
Taste Description:
floral fruity berry
Substantivity: 124 Hour(s)
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: perfuming agents
skin conditioning
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Methyl Ionone Extra
Happening at Berje
Isoraldeine® Cetone Alpha
Odor: Orris, Woody, Powdery background
Use: Cetone Alpha is a highly refined alpha-iso-methyl ionone used in rich floral perfumes where an exceptional quality of methyl ionone is required.
Lluch Essence
Odor: floreal, woody, in dilution of violet
Flavor: floreal, fruity (raspberry)
Privi Organics
Gamma-Methyl Ionone
Methyl Ionone Gamma EQ
≥92% as C14H22O
Odor: Floral and sweet-oily odor of moderate tenacity
Use: Used in many floral fragrances, particularly violet. Blends with and supports woody, leathery, and oriental accords.
The Fragrance Museum
Methyl Ionone Gamma Coeur
Odor: Floral, Powder/ Powdery, Tobacco, Woody
The Lermond Company
Methyl Ionone Gamma Coeur
Vigon International
Isoraldeine 95 (Gamma Methyl Ionone 83%)
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Safety Information:
European information :
Most important hazard(s):
Xi - Irritant
R 38 - Irritating to skin.
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:
oral-rat LD50  > 5000 mg/kg

Dermal Toxicity:
skin-rabbit LD50 > 5000 mg/kg

Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavor and fragrance agents
IFRA Critical Effect: Dermal sensitization
IFRA Other Specification: <= 2% Pseudomethylionone
IFRA: View Standard
Fragrance usage is IFRA RESTRICTED. View Standard for complete information.
Please review all IFRA documents for complete information.
IFRA categories: limits in the finished product: (For a description of the categories, refer to the IFRA QRA Information Booklet.)
Category 1:
See Note (1)
2.00 % (1)
Category 2:  2.59 %
Category 3:  10.56 %
Category 4:  31.67 %
Category 5:  16.67 %
Category 6:  50.72 % (1)
Category 7:  5.30 %
Category 8:  2.00 %
Category 9:  5.00 %
Category 10:  2.50 %
Category 11: See Note (2)

For this material, for pragmatic reasons, restrictive levels allowed by the QRA for certain categories but actually being higher than those already in place before applying the QRA, will temporarily not be implemented until the end of a 5 year monitoring phase. At the end of the 5 years the position will be reevaluated again.


(1) IFRA would recommend that any material used to impart perfume or flavour in products intended for human ingestion should consist of ingredients that are in compliance with appropriate regulations for foods and food flavourings in the countries of planned distribution and, where these are lacking, with the recommendations laid down in the Code of Practice of IOFI (International Organisation of the Flavor Industry). Further information about IOFI can be found on its website (


(2) Category 11 includes all non-skin contact or incidental skin contact products. Due to the negligible skin contact from these types of products there is no justification for a restriction of the concentration of this fragrance ingredient in the finished product.

use level in formulae for use in cosmetics:
  13.0000 %
Dermal Systemic Exposure in Cosmetic Products:
 0.33 mg/kg/day (IFRA, 2001)
Maximised Survey-derived Daily Intakes (MSDI-EU): 4.70 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 1.00 (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: 3
Click here to view publication 3
 average usual ppmaverage maximum ppm
baked goods: -4.30000
beverages(nonalcoholic): -0.97000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: -0.80000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -0.98000
fruit ices: -0.98000
gelatins / puddings: -0.05000
granulated sugar: --
gravies: --
hard candy: -4.90000
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: --
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Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of alicyclic 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):
Flavouring Group Evaluation 213: alpha,beta-Unsaturated alicyclic ketones and precursors from chemical subgroup 2.7 of FGE.19
View page or View pdf
Flavouring Group Evaluation 210: alpha,beta-Unsaturated alicyclic ketones and precursors from chemical subgroup 2.4 of FGE.19[1]
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 210 Revision 2 (FGE.210Rev2): Consideration of genotoxic potential for a,-unsaturated alicyclic ketones and precursors from chemical subgroup 2.4 of FGE.19
View page or View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 127-51-5
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 5372174
National Institute of Allergy and Infectious Diseases: Data
SCCNFP: opinion
WGK Germany: 2
 (E)-3-methyl-4-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-2-one (80% min.)
Chemidplus: 0000127515
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 (E)-3-methyl-4-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-2-one (80% min.)
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 127-51-5
Pubchem (cid): 5372174
Pubchem (sid): 135016869
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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): HMDB31738
YMDB (Yeast Metabolome Database): YMDB01634
Export Tariff Code: 2914.23.0000
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
No odor group found for these
 amchoor powder 
 cistus ladaniferus resinoidFR
 animal carbolactoneFR
 costus valerolactoneFR
 copaiba balsam oilFL/FR
 opoponax oil (balsamodendron kafal)FL/FR
 cassie absoluteFL/FR
 heliotropyl acetoneFL/FR
 mimosa absolute franceFL/FR
 orris rhizome absolute (iris pallida)FL/FR
 phenethyl anthranilateFL/FR
 hexyl 2-methyl butyrateFL/FR
 acorus calamus root oilFR
 clary sage oil franceFL/FR
 daucus carota fruit oilFL/FR
 rosemary oil spainFL/FR
 watermelon ketoneFR
 allspice berry oilFL/FR
 elettaria cardamomum seed oilFL/FR
isoeugenyl acetateFL/FR
 turmeric root oil chinaFL/FR
 frankincense oilFL/FR
 juniperus communis fruit oilFL/FR
 cedarwood oil virginiaFR
 cedrela wood oilFR
isolongifolene epoxideFR
 methyl cedryl ketoneFL/FR
 sandalwood oilFL/FR
For Flavor
No flavor group found for these
 allspice berry oilFL/FR
 elecampane root absoluteFL
 methyl cedryl ketoneFL/FR
 phenethyl anthranilateFL/FR
 amchoor powder 
 copaiba balsam oilFL/FR
 opoponax oil (balsamodendron kafal)FL/FR
 heliotropyl acetoneFL/FR
 hexyl 2-methyl butyrateFL/FR
 clary sage oil franceFL/FR
 daucus carota fruit oilFL/FR
 rosemary oil spainFL/FR
 costus root oilFL
 cassie absoluteFL/FR
 elettaria cardamomum seed oilFL/FR
isoeugenyl acetateFL/FR
 turmeric root oil chinaFL/FR
 orris rhizome absolute (iris pallida)FL/FR
 juniperus communis fruit oilFL/FR
 mimosa absolute franceFL/FR
 frankincense oilFL/FR
 sandalwood oilFL/FR
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Potential Uses:
 anais anais 
 beeswax cire d'abeilleFL/FR
 fir needle pine needleFL/FR
 genet genista broomFR
 l'air du temps 
 l'heure bleue 
 leather russianFR
 oakmoss mousse de chene mossFR
 vika cologne 
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Occurrence (nature, food, other): note
 not found in nature
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 methyl ionone gamma coeur
(E)-3-methyl-4-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-2-one (80% min.)
isoraldeine cetone alpha (Givaudan)
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 None found yet.
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