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Allyl-α-ionone

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Allyl-α-ionone Basic information

Product Name:
Allyl-α-ionone
Synonyms:
  • 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-1,6-heptadien-3-one
  • 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-6-heptadien-3-one
  • 6-Heptadien-3-one,1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-1
  • allylalpha-ionon
  • 1-(2,6,6-TRIMETHYLCYCLOHEX-2-ENYL)HEPTA-1,6-DIEN-3-ONE
  • 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)hepta-1,6-dien-3-one
  • ALLYL ALPHA-IONONE 65+%
  • 1,6-Heptadien-3-one, 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-
CAS:
79-78-7
MF:
C16H24O
MW:
232.36
EINECS:
201-225-9
Product Categories:
  • A-B
  • Alphabetical Listings
  • Flavors and Fragrances
Mol File:
79-78-7.mol
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Allyl-α-ionone Chemical Properties

Boiling point:
102-104 °C0.2 mm Hg(lit.)
Density 
0.928 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.505(lit.)
FEMA 
2033 | ALLYL ALPHA-IONONE
Flash point:
>230 °F
Odor
at 10.00 % in dipropylene glycol. green floral woody orris tropical weedy waxy leather
Odor Type
fruity
JECFA Number
401
LogP
5.13
CAS DataBase Reference
79-78-7(CAS DataBase Reference)
EPA Substance Registry System
1,6-Heptadien-3-one, 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)- (79-78-7)
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Safety Information

WGK Germany 
2
RTECS 
MI5550000

MSDS

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Allyl-α-ionone Usage And Synthesis

Chemical Properties

A yellow liquid with a meaty, spicy, slightly floral, woody taste and a strong fruital aroma reminiscent of pineapple

Preparation

By condensation of citral and allyl acetone in the presence of sodium methoxide and subsequent ring closure in the presence of boron trifluoride.

Definition

ChEBI: 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-1,6-heptadien-3-one is a sesquiterpenoid.

Taste threshold values

Taste characteristics at 2 ppm: floral, sweet, fruity, woody and orris-like nuance

Safety Profile

A skin irritant. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALLYL COMPOUNDS.

Allyl-α-ionone Preparation Products And Raw materials

Raw materials

Allyl-α-iononeSupplier

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