Allyl-α-ionone
- CAS NO.：79-78-7
- Empirical Formula: C16H24O
- Molecular Weight: 232.36
- MDL number: MFCD00052729
- EINECS: 201-225-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-28 09:47:32
What is Allyl-α-ionone?
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.
Properties of Allyl-α-ionone
| Boiling point: | 102-104 °C0.2 mm Hg(lit.) |
| Density | 0.928 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 2033 | ALLYL ALPHA-IONONE |
| Flash point: | >230 °F |
| Odor | at 10.00 % in dipropylene glycol. green floral woody orris tropical weedy waxy leather |
| JECFA Number | 401 |
| 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) |
Safety information for Allyl-α-ionone
Computed Descriptors for Allyl-α-ionone
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