alpha-ionone

Full Material List
(E)-4-(2,6,6-trimethyl-1-cyclohex-2-enyl)but-3-en-2-one

Identifiers

FEMA 2594
CAS 127-41-3
EINECS 204-841-6
Synonyms
  • alphaline 70
  • 3- buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (3E)-
  • (E)-alpha- cyclocitrylidene acetone
  • trans-alpha- cyclocitrylidene acetone
  • ionanthem
  • (±)-(E)-alpha- ionone
  • (±)-trans-alpha- ionone
  • (E)-a- ionone
  • (E)-alpha- ionone
  • a- ionone
  • nat.alpha- ionone
  • trans-alpha- ionone
  • alpha- ionone (natural)
  • alpha- ionone 50% in ETOH natural
  • alpha- ionone 60
  • alpha- ionone 70
  • alpha- ionone 80
  • alpha- ionone 90
  • alpha- ionone 90%, (naturals)
  • ionone alpha
  • ionone alpha regular
  • ionone alpha white coeur
  • alpha- ionone BRI
  • alpha- ionone extra
  • alpha- ionone natural
  • alpha- ionone refined
  • alpha- ionone white coeur
  • alpha- ionone, natural
  • alpha- ionone, refined
  • alpha- ionone, regular
  • irisone alpha
  • irisone alpha extra white
  • (E)-4-(2,6,6- trimethyl-1-cyclohex-2-enyl)but-3-en-2-one
  • (E)-(±)-4,2,6,6- trimethyl-2-cyclohexen-1-yl-3-buten-2-one
  • trans-4,2,6,6- trimethyl-2-cyclohexen-1-yl-3-buten-2-one
  • (3E)-4-(2,6,6- trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • (E)-(±)-4-(2,6,6- trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • (E)-(1)-4-(2,6,6- trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • (E)-4-(2,6,6- trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • (3E)-(±)-4-(2,6,6- trimethyl-4-cyclohexen-1-yl)-3-buten-2-one
  • (3E)-4-(2,6,6- trimethylcyclohex-2-en-1-yl)but-3-en-2-one
  • (3E)-4-(2,6,6- trimethylcyclohex-2-enyl)but-3-en-2-one
JECFA Food Flavoring 388
JECFA Food Additive N/A
DG SANTE Food Flavourings 07.007 alpha-ionone
DG SANTE Food Contact Materials N/A
FDA UNII I9V075M61R
CoE Number 141
XlogP3-AA N/A
Molecular Weight 192.3016
Molecular Formula C13 H20 O

Organoleptic

Organoleptic Notes
  • 1. Odor Type: floral Odor Strength:medium ,recommend smelling in a 10.00 % solution or less
  • Substantivity:112 hour(s) at 100.00 %
  • sweet woody floral violet orris tropical fruity
  • Odor Description:at 10.00 % in dipropylene glycol. sweet woody floral violet orris tropical fruityLuebke, William tgsc, (1983)
  • Odor sample from: Givaudan Corporation
Odor floral
sweet, woody, floral, violet, orris, tropical, fruity,
Flavor floral
floral, violet, powdery, berry, raspberry, tropical, blackberry, blueberry,

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Properties

Food Chemicals Codex Listed Yes
Appearance colorless to pale yellow clear liquid (est)
Assay 85.00 to 100.00 sum of isomers
Specific Gravity 0.92700 to 0.93300 @ 25.00 °C.
Lbs/Gal (est) 7.714 to 7.763
Refractive Index 1.49700 to 1.50200 @ 20.00 °C.
Melting Point N/A
Boiling Point 237.00 to 238.00 °C. @ 760.00 mm Hg
Flash Point > 230.00 °F. TCC ( > 110.00 °C. )
Acid Value N/A
Vapor Pressure 0.014000 mmHg @ 25.00 °C. (est)
Vapor Density 7 ( Air = 1 )
logP (o/w) 3.995
Soluble In
  • alcohol
  • dipropylene glycol
  • fixed oils
  • paraffin oil
  • water, 1.00E+06 mg/L @ 25 °C (exp)
  • glycerin
  • acid cleaner
  • alcoholic lotion
  • antiperspirant
  • deo stick
  • detergent perborate
  • fabric softener
  • hard surface cleaner
  • liquid detergent
  • non-discoloring in most media
  • shampoo
  • soap
Occurrence
  • acacia sweet acacia
  • almond roasted almond
  • blackberry fruit
  • brandy grape brandy
  • carrot
  • champaca concrete @ 0.03%
  • currant black currant fruit
  • plum fruit
  • plumcot fruit
  • raspberry red raspberry fruit
  • rum
  • sphaeranthus indicus
  • tea
  • tobacco burley tobacco
  • whiskey
  • wine