Preferred name | alpha-irone |
Trivial Name | α-Irone |
Short Description | 4-(2,5,6,6-tetramethyl-2-cyclohexenyl)-3-buten-2-one |
Formula | C14 H22 O |
CAS Number | 79-69-6 |
FEMA Number | 2597 |
Flavis Number | 7.011 |
ECHA Number | 201-219-6 |
FDA UNII | O3M0L879K6 |
Nikkaji Number | J4.239K |
Beilstein Number | 1343498 |
MDL | MFCD00042628 |
COE Number | 145 |
xLogP3-AA | 3.20 (est) |
NMR Predictor | External link |
JECFA Food Flavoring | 403 alpha-irone |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 79-69-6 ; ALPHA-IRONE |
Synonyms |
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Google Scholar | Start search |
Google Books | Start search |
Google Patents | Start search |
Perfumer & Flavorists | Start search |
EU Patents | Start search |
PubMeb | Start search |
NCBI | Start search |
Leffingwell: | Chirality or Article |
(E)-4-(2,5,6,6-tetramethyl-1-cyclohex-2-enyl)but-3-en-2-one | |
NIST Chemistry WebBook: | Search Inchi |
Canada Domestic Sub. List: | 79-69-6 |
Pubchem (cid): | 5371002 |
Pubchem (sid): | 134971551 |
Publications by US Patents | |
5,113,021 - Process for the manufacture of a mixture of .alpha.- and .beta.-irone | |
Publications by PubMed | |
New constituents from the rhizomes of Egyptian Iris germanica L. | |
Fragrance material review on alpha-irone. |
(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 |
CHEBI: | View |
CHEMBL: | View |
KEGG (GenomeNet): | C09690 |
HMDB (The Human Metabolome Database): | HMDB35631 |
FooDB: | FDB014339 |
Export Tariff Code: | 2914.23.0000 |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
Wikipedia: | View |
Material listed in food chemical codex | No |
Molecular weight | 206.3285369873 |
Specific gravity | @ 25 °C |
Pounds per Gallon | 7.755 to 7.813 |
Refractive Index | 1.497 to 1.503 @ 20 °C |
Boiling Point | 110 to 112°C @ 3 mm Hg |
Boiling Point | 68 to 73°C @ 0.01 mm Hg |
Acid Value | 1 max KOH/g |
Vapor Pressure | 0.004 mmHg @ 25 °C |
Flash Point TCC Value | 100 °C TCC |
logP (o/w) | 4.354 est |
Solubility | |
alcohol | Yes |
water, 110 mg/L @ 20 °C (exp) | Yes |
Stability | |
alcoholic | Good |
soap | Good |
toiletry | Good |
bath foam | Unspecified |
non-discoloring in most media | Unspecified |
ph = 10 moderate | Unspecified |
ph = 2 poor | Unspecified |
powder detergent | Moderate |
antiperspirant spray | Poor |
Odor Type: Floral | |
orris, floral, berry, violet, woody, powdery, sweet, raspberry | |
Odor strength | medium , recommend smelling in a 10.00 % solution or less |
Substantivity | 104 hour(s) at 100.00 % |
Luebke, William tgsc, (1986) | At 10.00 % in dipropylene glycol. orris floral berry violet woody powdery |
Mosciano, Gerard P&F 19, No. 5, 79, (1994) | Sweet, orris, woody, raspberry and powdery |
Flavor Type: Woody | |
woody, fruity, raspberry, orris, berry, seedy | |
Mosciano, Gerard P&F 19, No. 5, 79, (1994) | At 10.00 ppm. Woody, fruity, raspberry, orris and berry with seedy nuances |
(data available) |
Applications | |
Odor purposes | Berry, Floral, Orris, Powder, Raspberry, Violet, Wallflower |
Other purposes | Seedy |
Cosmetic purposes | Perfuming agents |
Preferred SDS: View | |
European information : | |
Most important hazard(s): | |
None - None found. | |
S 23 - Do not breath vapour. S 24 - Avoid contact with skin. S 25 - Avoid contact with eyes. | |
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. | |
Oral/Parenteral Toxicity: | |
oral-rat LD50 5000 mg/kg | |
Dermal Toxicity: | |
skin-rabbit LD50 5000 mg/kg | |
Inhalation Toxicity: | |
Not determined |
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 | |||
IFRA Critical Effect: | |||
Dermal sensitization | |||
IFRA Other Specification: | |||
maximum skin levels for fine fragrances: | |||
0.2900 % and are based on the assumption that the fragrance mixture is used at 20% in a consumer product (IFRA Use Level Survey).(IFRA, 2001) | |||
Recommendation for alpha-irone usage levels up to: | |||
2.0000 % in the fragrance concentrate. | |||
use level in formulae for use in cosmetics: | |||
0.2200 % | |||
Dermal Systemic Exposure in Cosmetic Products: | |||
0.0055 mg/kg/day (IFRA, 2001) | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 7.70 (μg/capita/day) | ||
Maximised Survey-derived Daily Intakes (MSDI-USA): | 3.00 (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 ppm | average maximum ppm | ||
baked goods: | - | 5.40000 | |
beverages(nonalcoholic): | - | 1.20000 | |
beverages(alcoholic): | - | - | |
breakfast cereal: | - | - | |
cheese: | - | - | |
chewing gum: | - | 1.40000 | |
condiments / relishes: | - | - | |
confectionery froastings: | - | - | |
egg products: | - | - | |
fats / oils: | - | - | |
fish products: | - | - | |
frozen dairy: | - | 2.30000 | |
fruit ices: | - | 2.30000 | |
gelatins / puddings: | - | - | |
granulated sugar: | - | - | |
gravies: | - | - | |
hard candy: | - | 4.10000 | |
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: | - | - |
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 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,ß-unsaturated alicyclic ketones and precursors from chemical subgroup 2.4 of FGE.19 View page or View pdf |
Safety and efficacy of secondary alicyclic saturated and unsaturated alcohols, ketones, ketals and esters with ketals containing alicyclic alcohols or ketones and esters containing secondary alicyclic alcohols from chemical group 8 when used as flavourings for all animal species View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 210 Revision 3 (FGE.210Rev3): Consideration of genotoxic potential for a,ß-unsaturated alicyclic ketones and precursors from chemical subgroup 2.4 of FGE.19 View page or View pdf |
EPI System: View |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):79-69-6 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :5371002 |
National Institute of Allergy and Infectious Diseases:Data |
WGK Germany:2 |
(E)-4-(2,5,6,6-tetramethyl-1-cyclohex-2-enyl)but-3-en-2-one |
Chemidplus:0000079696 |
RTECS:EN0335000 for cas# 79-69-6 |