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General Material Information

Preferred name alpha-damascone
Trivial Name α-Damascone
Short Description 1-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-1-one
Formula C13 H20 O
CAS Number 43052-87-5
FEMA Number 3659
Flavis Number 7.134
FDA UNII UP5JTZ982I
Beilstein Number 2208705
MDL MFCD00673214
COE Number 11053
xLogP3-AA 3.20 (est)
NMR Predictor External link
JECFA Food Flavoring 385 alpha-damascone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 43052-87-5 ; ALPHA-DAMASCONE
Synonyms
  • 2-buten-1-one, 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-
  • damarose alpha
  • damascone (alpha)
  • dihydro floriffone A
  • 1-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-1-one
  • 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2-butenone
  • 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-but-2-en-4-one
  • 1-(2,6,6-trimethyl-2-cyclohexenyl)-2-buten-1-one
  • 4-(2,6,6-trimethyl-2-cyclohexenyl)-2-buten-4-one
  • 4-(2,6,6-trimethyl-2-cyclohexenyl)-2-butene-4-one
  • 1-(2,6,6-trimethyl-cyclohex-2-enyl)-but-2-en-1-one
  • 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one
  • 1-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-1-one
  • 2-Buten-1-one, 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-
  • 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-buten-1-one
  • 2,6,6-Trimethyl-1-crotonyl-2-cyclohexene
  • α-Damascone
  • 1-(2,6,6-Trimethyl-2-cyclohexenyl)-2-buten-1-one

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

Leffingwell:Chirality or Article
1-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-1-one
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:43052-87-5
Pubchem (cid):62002
Pubchem (sid):135019827
Pherobase:View
Publications by PubMed
Comparison of aroma active and sulfur volatiles in three fragrant rice cultivars using GC-olfactometry and GC-PFPD.
Influence of triterpenoids present in apple peel on inflammatory gene expression associated with inflammatory bowel disease (IBD).
Analytical and sensory characterization of the aroma of "Langhe D.O.C. Nebbiolo" wines: influence of the prefermentative cold maceration with dry ice.
Characterization of volatiles and aroma-active compounds in honeybush (Cyclopia subternata) by GC-MS and GC-O analysis.
Aromatic aldols and 1,5-diketones as optimized fragrance photocages.
[Isoprenoids and phenylpropanoids from Saussurea deltoidea].
Characterization of the bound volatile extract from baby kiwi (Actinidia arguta).
Structural Analysis of CYP101C1 from Novosphingobium aromaticivorans DSM12444.
Influence of the backbone structure on the release of bioactive volatiles from maleic acid-based polymer conjugates.
Insecticidal potency of novel compounds on multiple insect species of medical and veterinary importance.
Volatile composition screening of Salix spp. nectar honey: benzenecarboxylic acids, norisoprenoids, terpenes, and others.
Identification of 3-hydroxy-beta-damascone and related carotenoid-derived aroma compounds as novel potent inducers of Nrf2-mediated phase 2 response with concomitant anti-inflammatory activity.
Substrate promiscuity of RdCCD1, a carotenoid cleavage oxygenase from Rosa damascena.
[Retention of components in a mixture of volatile organic substances by maltodextrins].
Synthetic applications of enantioselective protonation and case study for (S)-alpha-damascone.
Characterization of the most odor-active compounds in an American Bourbon whisky by application of the aroma extract dilution analysis.
Fragrance material review on cis-beta-damascone.
Fragrance material review on gamma-damascone.
Fragrance material review on delta-damascone.
Fragrance material review on alpha-damascone.
Fragrance material review on trans-beta-damascone.
Fragrance material review on cis-alpha-damascone.
Fragrance material review on trans,trans-delta-damascone.
[Investigation of the pyrolysis behavior of 4-oxo-beta-damascone by on-line pyrolysis gas chromatography-mass spectrometry].
Glycosidically bound volatiles and flavor precursors in Laurus nobilis L.
A simple and efficient highly enantioselective synthesis of alpha-ionone and alpha-damascone.
A novel biomimetic route to the 3-acyl-5-hydroxy-3-pyrrolin-2-one and 3-acyl-3,4-epoxy-5-hydroxypyrrolidin-2-one ring systems.
Investigation of bound aroma constituents of yellow-fleshed nectarines (Prunus persica L. Cv. Springbright). changes in bound aroma profile during maturation.
Aroma composition of Vitis vinifera Cv. tannat: the typical red wine from Uruguay.
Identification of (3S, 9R)- and (3S, 9S)-megastigma-6,7-dien-3,5,9-triol 9-O-beta-D-glucopyranosides as damascenone progenitors in the flowers of Rosa damascena Mill.
Principles and methodology for identification of fragrance allergens in consumer products.
Character impact odorants of the apple cultivars Elstar and Cox Orange.
Volatile compounds released by enzymatic hydrolysis of glycoconjugates of leaves and grape berries from Vitis vinifera Muscat of Alexandria and Shiraz cultivars.
Acid-catalyzed hydrolysis of alcohols and their beta-D-glucopyranosides.
Identification of potent odorants in Japanese green tea (Sen-cha).
C(13)-Norisoprenoid glucoconjugates from lulo (Solanum quitoense L.) leaves.
Bioconversion of alpha-Damascone by Botrytis cinerea.
Progress in synthesis of sensory important trace components of essential oils and natural flavours.

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):HMDB36027
FooDB:FDB014845
Export Tariff Code:2914.29.0000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 192.30160522461
Specific gravity @ 25 °C
Pounds per Gallon 7.722 to 7.805
Refractive Index 1.492 to 1.499 @ 20 °C
Acid Value 1 max KOH/g
Vapor Pressure 0.008 mmHg @ 25 °C
Flash Point TCC Value 93.33 °C TCC
logP (o/w) 3.436 est
Shelf life 12 months (or longer if stored properly.)
Storage notes Store in cool, dry place in tightly sealed containers, protected from heat and light.
Solubility
alcohol Yes
dipropylene glycol Yes
water, 10.31 mg/L @ 25 °C (est) Yes
water No
Stability
alcoholic solution Unspecified
antiperspirant Unspecified
cream Unspecified
deodorant spray Unspecified
hair spray Unspecified
shampoo Unspecified
soap Unspecified

Organoleptic Properties

Odor Type: Floral
sweet, floral, metallic, fruity, apple, spicy, plum, minty, woody, green, berry
Odor strength high , recommend smelling in a 1.00 % solution or less
Substantivity 66 hour(s) at 100.00 %
Luebke, William tgsc, (1994) At 1.00 % in dipropylene glycol. sweet floral metallic fruity apple spicy plum minty
Mosciano, Gerard P&F 16, No. 2, 49, (1991) Sweet, fruity, floral woody with a green berry nuance
Flavor Type: Fruity
fruity, green, seedy, tropical, spicy, apple, woody, sweet
Luebke, William tgsc, (1994) Fruity green seedy tropical spicy apple woody
Mosciano, Gerard P&F 16, No. 2, 49, (1991) At 30.00 ppm. Sweet, fruity, woody with a green seedy background

Occurrences

Potential Uses

Applications
Odor purposes Agrumen aldehyde, Aldehydic, Amber, Angelica, Animal, Apple, Apple blossom, Crabapple, Apple green apple, Apple red apple, Apricot, Ash mountain ash berry, Bark, Berry, Berry jam, Boxwood, Bramble arctic bramble blackberry, Cedar forest, Chamomile, Cherry black cherry, Christmas, Chrysanthemum, Cistus, Citrus, Crabapple blossom, Cranberry, Currant black currant, Currant bud absolute replacer, Date, Eglantine, Elder berry, Fig, Floral, Fruit, Gooseberry, Grape, Guava, Herbal, Hibiscus, Honey, Honeysuckle, Hugonia, Immortelle, Kiwi, Kiwi blossom, Lychee, Mango, Maple, Marigold, Marjoram, Melon, Pansy, Passion blossom, Passion fruit, Pear, Pear blossom, Pineapple, Plum, Plum mirabelle plum, Pomegranate, Prune, Raisin, Raspberry, Redwood, Rose, Rose tea rose, Rue, Stephanotis, Tangerine, Tea green tea, Tobacco, Toffee, Wine, Woody, Wormwood oil replacer, Yerba mate
Flavoring purposes Angelica, Brandy apple brandy, Cistus, Cloudberry bakeapple, Currant bud absolute replacer, Fruit tropical fruit, Ginger ale, Grape white grape, Immortelle, Licorice red licorice, Marigold, Marjoram, Necterine, Pear bartlett pear, Pear emperor pear, Plum greengage plum, Rue, Tea, Tropical, Yerba mate
Other purposes Anais anais, Azzaro, Blossom tropical blossom, De bagatelle, Drakkar, Drakkar noir, Fruit dried fruit, Jardins de bagatelle, Montana, Nahema, Paris, Poison, Rose wild rose, Saint laurent, Watercress nasturtium, White linen
Cosmetic purposes Fragrance

Safety Information

Safety information

European information :
Most important hazard(s):
Xi - Irritant
R 43 - May cause sensitisation by skin contact.
S 02 - Keep out of the reach of children.
S 24 - Avoid contact with skin.
S 36 - Wear suitable protective clothing.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
Acute toxicity, Oral (Category 4), H302
Skin sensitisation (Category 1), H317
GHS Label elements, including precautionary statements
Pictogramexclamation-mark.jpg
Signal word Warning
Hazard statement(s)
H302 - Harmful if swallowed
H317 - May cause an allergic skin reaction
Precautionary statement(s)
P261 - Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 - Wash skin thouroughly after handling.
P270 - Do not eat, drink or smoke when using this product.
P272 - Contaminated work clothing should not be allowed out of the workplace.
P280 - Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P312 - IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302 + P352 - IF ON SKIN: wash with plenty of soap and water.
P330 - Rinse mouth.
P333 + P313 - IF SKIN irritation or rash occurs: Get medical advice/attention.
P363 - Wash contaminated clothing before reuse.
P501 - Dispose of contents/ container to an approved waste disposal plant.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

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
IFRA Critical Effect:
Dermal sensitization
IFRA fragrance material specification:
Should not be used as fragrance ingredients such that the total level in finished cosmetic products exceeds 0.02%, individually or in combination. Based on test data showing sensitising potential for these materials and on evidence of cross-reactivity. (IFRA guidelines)
View the IFRA Standard
View IFRA Standards Library for complete information.
Please review Amendment 49 IFRA documentation for complete information.
IFRA RESTRICTION LIMITS IN THE FINISHED PRODUCT (%):
Category 1: Products applied to the lips
0.0077 %
Category 2: Products applied to the axillae
0.0023 %
Category 3: Products applied to the face/body using fingertips
0.046 %
Category 4: Products related to fine fragrance
0.043 %
Category 5: Products applied to the face and body using the hands (palms), primarily leave-on
Category 5A: Body lotion products applied to the body using the hands (palms), primarily leave-on
0.011 %
Category 5B: Face moisturizer products applied to the face using the hands (palms), primarily leave-on
0.011 %
Category 5C: Hand cream products applied to the hands using the hands (palms), primarily leave-on
0.011 %
Category 5D: Baby Creams, baby Oils and baby talc
0.011 %
Category 6: Products with oral and lip exposure
0.025 %
Category 7: Products applied to the hair with some hand contact
Category 7A: Rinse-off products applied to the hair with some hand contact
0.088 %
Category 7B: Leave-on products applied to the hair with some hand contact
0.088 %
Category 8: Products with significant anogenital exposure
0.0045 %
Category 9: Products with body and hand exposure, primarily rinse off
0.084 %
Category 10: Household care products with mostly hand contact
Category 10A: Household care excluding aerosol products (excluding aerosol/spray products)
0.30 %
Category 10B: Household aerosol/spray products
0.30 %
Category 11: Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate
Category 11A: Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
0.17 %
Category 11B: Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
0.17 %
Category 12: Products not intended for direct skin contact, minimal or insignificant transfer to skin
No Restriction
Notes:
IFRA FLAVOR REQUIREMENTS:

Due to the possible ingestion of small amounts of fragrance ingredients from their use in products in Categories 1 and 6, materials must not only comply with IFRA Standards but must also be recognized as safe as a flavoring ingredient as defined by the IOFI Code of Practice (www.iofi.org). For more details see chapter 1 of the Guidance for the use of IFRA Standards.

use level in formulae for use in cosmetics:
0.1200 %
Dermal Systemic Exposure in Cosmetic Products:
0.0031 mg/kg/day (IFRA, 2002, 2003)
Maximised Survey-derived Daily Intakes (MSDI-EU): 7.97 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.40 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 101.3 (μg/person/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: 13
Click here to view publication 13
average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): -0.50000
beverages(alcoholic): -0.50000
breakfast cereal: --
cheese: --
chewing gum: -0.50000
condiments / relishes: --
confectionery froastings: -0.50000
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: -0.50000
granulated sugar: --
gravies: --
hard candy: -0.50000
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: -0.50000
soups: --
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): --
Fats and oils, and fat emulsions (type water-in-oil) (02.0): --
Edible ices, including sherbet and sorbet (03.0): --
Processed fruit (04.1): --
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 0.200000.50000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.200000.50000
Bakery wares (07.0): 0.200000.50000
Meat and meat products, including poultry and game (08.0): --
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): --
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): --
Foodstuffs intended for particular nutritional uses (13.0): --
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.200000.50000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 0.200000.50000
Ready-to-eat savouries (15.0): --
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): --

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):

List of apha, beta-Unsaturated Aldehydes and Ketones representative of FGE.19 substances for Genotoxicity Testing [1] - Statement of the Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
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,ß-unsaturated alicyclic ketones and precursors from chemical subgroup 2.4 of FGE.19
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

Safety and efficacy of oct-1-en-3-ol, pent-1-en-3-ol, oct-1-en-3-one, oct-1-en-3-yl acetate, isopulegol and 5-methylhept-2-en-4-one, belonging to chemical group 5 and of isopulegone and a-damascone belonging to chemical group 8 when used as flavourings for all animal species
View page or View pdf

Safety of 31 flavouring compounds belonging to different chemical groups when used as feed additives for all animal species
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :62002
National Institute of Allergy and Infectious Diseases:Data
SCCNFP:opinion
WGK Germany:1
1-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-1-one
Chemidplus:0043052875