alpha-irone

Full Material List
(E)-4-(2,5,6,6-tetramethyl-1-cyclohex-2-enyl)but-3-en-2-one

Identifiers

FEMA 2597
CAS 79-69-6
EINECS 201-219-6
Synonyms
  • (Z)-2,6-(Z)-21,22-alpha- irone
  • alpha- irone
  • cis-(2,6)-cis- (2(1),2(2))-alpha- irone
  • cis-2,6-cis-21,2 2-alpha- irone
  • irone alfa
  • irone alpha
  • irone alpha refined
  • 6- methyl-alpha-ionone
  • 4-(2,5,6,6- tetramethyl cyclohex-2-enyl) but-3-en-2-one
  • cis-4-(2,5,6,6- tetramethyl cyclohex-2-enyl) but-3-en-2-one
  • (E)-4-(2,5,6,6- tetramethyl-1-cyclohex-2-enyl)but-3-en-2-one
  • 4-(2,5,6,6- tetramethyl-2-cyclohexenyl)-3-buten-2-one
  • 4,2,5,6,6- trimethyl-2-cyclohexen-1-yl-3-buten-2-one
JECFA Food Flavoring 403
JECFA Food Additive N/A
DG SANTE Food Flavourings 07.011 4-(2,5,6,6-tetramethyl-2-cyclohexenyl)-3-buten-2-one
DG SANTE Food Contact Materials N/A
FDA UNII O3M0L879K6
CoE Number 145
XlogP3-AA N/A
Molecular Weight 206.32854
Molecular Formula C14 H22 O

Organoleptic

Organoleptic Notes
  • 1. Odor Type: floral Odor Strength:medium ,recommend smelling in a 10.00 % solution or less
  • Substantivity:104 hour(s) at 100.00 %
  • orris floral berry violet woody powdery
  • Odor Description:at 10.00 % in dipropylene glycol. orris floral berry violet woody powderyLuebke, William tgsc, (1986)
  • Odor sample from: Firmenich Inc.
  • sweet orris woody raspberry powdery
  • Odor Description:Sweet, orris, woody, raspberry and powderyMosciano, Gerard P&F 19, No. 5, 79, (1994)
Odor floral
orris, floral, berry, violet, woody, powdery, sweet, raspberry
Flavor woody
woody, fruity, raspberry, orris, berry, seedy,

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Vigon International

IRONE ALPHA • 500422

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IRONE ALPHA REFINED • 501006

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Properties

Food Chemicals Codex Listed No
Appearance colorless to pale yellow clear liquid (est)
Assay 98.00 to 100.00 sum of isomers
Specific Gravity 0.93200 to 0.93900 @ 25.00 °C.
Lbs/Gal (est) 7.755 to 7.813
Refractive Index 1.49700 to 1.50300 @ 20.00 °C.
Melting Point N/A
Boiling Point N/A
Flash Point > 212.00 °F. TCC ( > 100.00 °C. )
Acid Value 1.00 max. KOH/g
Vapor Pressure 0.004000 mmHg @ 25.00 °C. (est)
Vapor Density N/A
logP (o/w) 4.354 (est)
Soluble In
  • alcohol
  • water, 110 mg/L @ 20 °C (exp)
  • alcoholic, good
  • antiperspirant spray, poor
  • bath foam
  • non-discoloring in most media
  • ph = 10 moderate
  • ph = 2 poor
  • powder detergent, moderate
  • soap, good
  • toiletry, good
Occurrence
  • orris root
  • raspberry red raspberry fruit