dihydro-alpha-ionone
4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2-butanone
Identification
| Name | dihydro-alpha-ionone |
| IUPAC | 4-(2,6,6-trimethyl-1-cyclohex-2-enyl)butan-2-one |
| CAS Number | 31499-72-6 |
| EINECS | 250-657-4 |
| FDA UNII | 20P9Z50AR5 |
| Molecular Formula | C13 H22 O |
| Molecular Weight | 194.31754000 |
| MDL Number | MFCD00036599 |
| Nikkaji Number | J55.488J |
| Beilstein | 2088879 |
| CoE Number | 11059 |
Regulatory
| JECFA Food Flavoring | 393 dihydro-alpha-ionone |
| DG SANTE Food Flavourings | 07.132 dihydro-alpha-ionone |
| FEMA Number | 3628 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 31499-72-6 ; DIHYDRO-ALPHA-IONONE |
Physical Properties
| Appearance | colorless to pale yellow clear liquid (est) |
| Assay | 92.00 to 100.00 sum of isomers |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.91800 to 0.92300 @ 25.00 °C. |
| Pounds per Gallon - (est). | 7.639 to 7.680 |
| Refractive Index | 1.47300 to 1.48000 @ 20.00 °C. |
| Boiling Point | 90.00 °C. @ 0.10 mm Hg |
| Vapor Pressure | 0.023000 mmHg @ 25.00 °C. |
| Flash Point | 228.00 °F. TCC ( 108.89 °C. ) |
| logP (o/w) | 4.064 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | perfuming agents |
Organoleptic Properties
| Odor Strength | medium , |
| Substantivity | > 29 hour(s) at 100.00 % |
| Odor Description |
at 10.00 % in dipropylene glycol. at 10.00 % in ethyl alcohol. A powerful, floral (violet) character with raspberry nuances woody, slightly fruity.
|
| Odor sample from | Bedoukian Research, Inc. |
| Taste Description |
creamy berry floral woody orris earthy violet powdery tropical at 2.00 ppm. Typical ionone, floral, berry berry, floral, woody, seedy with fruity undertones.
|
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavor and fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| maximum skin levels for fine fragrances | 0.0200 % and are based on the assumption that the fragrance mixture is used at 20% in a consumer product (IFRA Use Level Survey). (IFRA, 2002) |
| Recommendation for dihydro-alpha-ionone usage levels up to | 5.0000 % in the fragrance concentrate. |
| use level in formulae for use in cosmetics | 0.0200 % |
| Dermal Systemic Exposure in Cosmetic Products | 0.0005 mg/kg/day (IFRA, 2002) |
| 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 | - |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
Bedoukian Research, Inc.
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Potential Uses
Natural Occurrence
Synonyms
2-
butanone, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-
dihydro alpha ionone
dihydro alpha-ionone
dihydro-a-ionone
3,4-
dihydro-a-ionone
7,8-
dihydro-a-ionone
3,4-
dihydro-alpha-ionone
7,8-
dihydro-alpha-ionone
alpha-
dihydroionone
raspberry ionone
4-(2,6,6-
trimethyl-1-cyclohex-2-enyl)butan-2-one
4-2,6,6-
trimethyl-2-cyclohexen-1-yl butan-2-one
4-(2,6,6-
trimethyl-2-cyclohexen-1-yl)-2-butanone
4-(2,6,6-
trimethyl-2-cyclohexen-1-yl)butan-2-one
4-(2,2,6-
trimethyl-5-cyclohexen-1-yl)-2-butanone
4-(2,6,6-
trimethylcyclohex-2-en-1-yl)butan-2-one
PubMed:
[Influence of processing methods on the chemical composition of the essential oil from Aucklandia lappa].
PubMed:
Chemotherapy of leishmaniasis part-VIII: synthesis and bioevaluation of novel chalcones.
PubMed:
Fragrance material review on dihydro-alpha-ionone.
PubMed:
Generation of aroma compounds from Ditaxis heterantha by Saccharomyces cerevisiae.
PubMed:
Enantioselective synthesis of alpha-ionone derivatives using an anti S(N)2' substitution of functionalized zinc organometallics.