alpha-campholenic aldehyde
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IUPAC Name - 1-(2,2,3-trimethyl-1-cyclopent-3-enyl)ethanone
InChI - InChI=1/C10H16O/c1-7-5-6-9(8(2)11)10(7,3)4/h5,9H,6H2,1-4H3
InChIKey - YXGUBJPWGFKWQA-UHFFFAOYAY
SMILES - CC1=CCC(C1(C)C)C(=O)C
CAS Number : 4501-58-0
(EINECS) Number :224-815-8
FEMA Number :3592
COE Number :10325
Molar Refractivity :45.89 ± 0.3 cm3 (est)
Parachor :384.2 ± 6.0 cm3 (est)
Index of Refraction :1.453 ± 0.02 (est)
Surface Tension :26.3 ± 3.0 dyne/cm (est)
Density :0.897 ± 0.06 g/cm3 (est)
Polarizability :18.19 ± 0.5 10-24cm3 (est)
XlogP : 2.00 (est)
XlogP3-AA : 1.90 (est)
Molecular Weight : 152.2334400 (IUPAC) (PT) (112)
Formula :C10 H16 O
Pherobase Floral:view
NMR Predictor :Predict
 
 
Category :flavor and fragrance agents

EU / EUROPA / FDA / JECFA Information :
JECFA Food Flavoring :2,2,3-Trimethylcyclopent-3-en-1-yl acetaldehyde.
Fl@vouring Number : 05.119
FDA Mainterm : 2,2,3-TRIMETHYLCYCLOPENT-3-EN-1-YL ACETALDEHYDE.

Suppliers :
Nanjing :campholenic aldehyde
orders in chinese.
Shanghai Green Leaf :Campholenic Aldehyde

Organoleptics :
Odor Type :herbal
Odor Strength :high ,
recommend smelling in a 10.00 % solution or less
Odor Description:
at 10.00 % in dipropylene glycol.  
herbal green woody amber leafy
Luebke, William tgsc, (1988)
Odor sample from :Fragrance Resources Inc.
Substantivity :8  Hour(s)

Properties :
Appearence :pale yellow clear liquid
Assay : 85.00 to 100.00 %   
Food Chemicals Codex Listed :No
Specific Gravity :0.94500 to 0.95500 @ 25.00 °C.
Pounds per Gallon - est. : 7.863 to 7.947
Refractive Index :1.46500 to 1.48000 @ 20.00 °C.
Boiling Point : 83.00 to 84.00 °C. @ 1.00 mm Hg
Acid Value : 1.00  max.  KOH/g
Flash Ppoint : 151.00  °F.  TCC  ( 66.11 °C. )
logP (o/w) : 2.69

Safety :
Oral Toxicity(LD50) : 
  Oral-Rat    4300.00  mg/kg
(BIBRA, 1976)

Oral-Rat    4100.00  mg/kg
(Moreno, 1978h)

Dermal Toxicity(LD50) : 
  Not determined
Inhalation Toxicity(LC50) : 
  Not determined
 

Safety in Use :
Category :flavor and fragrance agents
Maximised Survey-derived Daily Intakes (MSDI-EU) :5.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :ND (μg/capita/day)
 
Recommendation for alpha-campholenic aldehyde fragrance usage levels up to :
  5.0000 % in the fragrance concentrate.

Safety References :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
 
 
 
1-(2,2,3-trimethyl-1-cyclopent-3-enyl)ethanone
(EINECS) Number :224-815-8
Chemidplus :004501580
EPA Substance Registry Services :4501-58-0

References :
Leffingwell :chirality
 
1-(2,2,3-trimethyl-1-cyclopent-3-enyl)ethanone
Pubchem :163405

Cosmetics :
Cosmetic Uses : perfuming agents

Other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
FMA :listed
FDA Everything Added to Food in the United States (EAFUS)View
Synonyms :
 aromavert
alpha-campholenal
alpha-campholenaldehyde
 campholenic aldehyde
alpha-campholenic aldehyde
(2,3,3-trimethyl cyclopent-3-en-1-y-2) acetaldehyde
2,2,3-trimethyl cyclopent-3-en-1-yl acetaldehyde
(R)-2,2,3-trimethyl cyclopent-3-ene-1-acetaldehyde
dextro-trimethyl-3-cyclopentene-1-acetaldehyde
 trimethyl cyclopentenyl acetaldehyde
2,3,3-trimethyl-1-acetaldehyde-3-cyclopentene
1-(2,2,3-trimethyl-1-cyclopent-3-enyl)ethanone

Soluble in :
 alcohol
 water, slightly

Insoluble in :
 water

Potential Blenders :    note
6-acetoxydihydrotheaspiraneFL/FR
alpha-amyl cinnamyl formateFL/FR
isoamyl salicylateFL/FR
 anise indeneFR
 basil absolute sweetFL/FR
3-benzyl-4-heptanoneFL/FR
dextro,laevo-isoborneolFL/FR
isobornyl acetateFL/FR
 bornyl butyrateFL/FR
beta-bourboneneFL/FR
isobutyl angelateFL/FR
isobutyl heptanoateFL/FR
isobutyl methyl ketoneFL/FR
isobutyl quinolineFR
2-sec-butyl thiazoleFL/FR
4-butyl thiazoleFL
(R)-gamma-cadinene 
delta-cadinene 
alpha-cadinol 
 cajuput leaf oil vietnamFL/FR
 campheneFL/FR
(+)-campheneFL/FR
dextro-camphorFL/FR
 chamomile flower oil romanFL/FR
 cinnamon acroleinFL/FR
 cinnamyl formateFL/FR
 cistus oilFL/FR
 coriander oleoresinFL/FR
(-)-cubenol 
 cuminaldehydeFL/FR
 currant bud absolute blackFL/FR
isocyclocitralFL/FR
isocyclogeraniolFR
 dihydrorose oxideFR
 dill weed oil americaFL/FR
 dill weed oil reunionFL/FR
 dimethyl benzyl carbinyl butyrateFL/FR
 dimethyl benzyl carbinyl formateFL/FR
2,4-dimethyl-3-cyclohexene-1-methanolFR
 dipentene terpene hydrocarbon byproductsFR
 ethyl 4-pentenoateFL/FR
 fig leaf absoluteFL
 geranium oil africaFL/FR
 geranium oil egyptFL/FR
 heptanal (aldehyde C-7)FL/FR
 heptanolFL/FR
 herbal cyclohexaneFR
 herbal dioxaneFR
 herbal heptaneFR
 herbal undecanoneFR
(E,E)-2,4-hexadien-1-ol 
(E)-4-hexen-1-olFL
(Z)-4-hexen-1-olFL/FR
3-hexen-1-yl 2-methyl butyrateFL/FR
 hops absoluteFL/FR
 hops oilFL/FR
 immortelle flower oilFR
 ivy leaf absoluteFR
(Z)-jasmoneFL/FR
 karo karounde absoluteFR
 lavender flower oil lithuaniaFL/FR
 lavender oil franceFL/FR
 lavender oil greeceFL/FR
 linalyl formateFL/FR
 linalyl octanoateFL/FR
 marine formateFR
para-methyl hydratropaldehydeFL/FR
1-methyl pyrroleFL
(E)-6-methyl-3-hepten-2-oneFL/FR
 mistletoe absolute 
gamma-muurolene 
 neryl formateFL/FR
 nonisyl formateFR
 nonisyl propionateFR
2-octanoneFL/FR
(E)-2-octen-1-alFL/FR
1-octen-3-yl acetateFL/FR
 origanum oil greeceFL/FR
 origanum oil turkeyFL/FR
 origanum vulgare l. ssp. vulgare oil himalaya 
 parsley leaf oilFL/FR
 patchouli indeneFR
 pennyroyal oilFL/FR
2-pentyl cyclopentanoneFR
 perillaldehydeFL/FR
 petitgrain bigarade oilFL/FR
isophytolFL/FR
 polylimoneneFL/FR
 prenyl salicylateFL/FR
2-propyl thiazoleFL
4-isopropyl-2-cyclohexenoneFL/FR
isopulegolFL/FR
 reseda absoluteFR
 rose pyranFR
 seaweed absoluteFL/FR
 spruce oil canadaFL/FR
 tagete oil CO2 extractFL/FR
 tagete oil rwandaFL/FR
 tagete oil south africaFL/FR
 tansy flower oil argentinaFR
 tansy leaf oil dutch 
 tea leaf absoluteFL/FR
 theaspiraneFL/FR
alpha-thujene 
 thyme absoluteFL/FR
 thyme oil wild or creepingFL/FR
 timber dioxolaneFR
 treemoss absoluteFR
 tricyclodecenyl propionateFR
 tricyclodecyl acetateFR
 tropical indeneFR
 viridiflorolFL/FR
 woody ketoneFL/FR
 wormwood oil americaFL/FR

Potential Uses :
 amberFR
 greenFR
 herbalFR
 leaf 
 woodyFR

Natural Occurrence in :    note
data pagecistus oil @ 0.3% S
data pagecroton flavens l. (welensali) leaf oil curacao @ trace% S
data pageeucalyptus dalrympleana maiden leaf oil ethiopia @ 4.00% S
data pageeucalyptus delegatensis r. baker leaf oil ethiopia @ 0.40% S
data pageeucalyptus globulus oil @ 0.11% S
data pageeucalyptus globulus pseudoglobulus oil @ 0.17% S
data pagehypericum dogonbadanicum assadi oil iran @ trace% S
data pagejuniper berry oil @ 0.20% S
data pagelabdanum leaf oil @ 0.80% S
data pagelabdanum oil @ 0.78% S
data pagelaurel leaf oil turkey @ <0.10% S
data pagelemon verbena oil turkey @ 0.05% S
data pagemarjoram oil sweet morocco @ 1.54% S
data pagemyrtle oil @ 0.08% S
data pagewormwood oil annus france @ 0.00-0.66% S



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