α-Ionol
Synonym(s):4-(2,6,6-Trimethyl-2-cyclohexenyl)-3-buten-2-ol
- CAS NO.：25312-34-9
- Empirical Formula: C13H22O
- Molecular Weight: 194.31
- MDL number: MFCD00036594
- EINECS: 246-815-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-24 22:25:33
What is α-Ionol?
Description
α-Ionol has the flavor of ionone, but softer and sweeter.
Chemical properties
α-Ionol has a flavor of ionone, but softer and sweeter.
Occurrence
Reported found in grape, raspberry and raspberry brandy
The Uses of α-Ionol
α-Ionol is an intermediate in synthesizing Tabanone (T003450), found in oils of Trifolium pratense L. and is a potential natural antioxidant.
Definition
ChEBI: 4,7-Megastigmadien-9-ol is a sesquiterpenoid.
Taste threshold values
Taste characteristics at 10 ppm: woody, ionone-like with a woody, floral powdery note.
Properties of α-Ionol
| Boiling point: | 127 °C15 mm Hg(lit.) |
| Density | 0.918 g/mL at 20 °C(lit.) |
| refractive index | n |
| FEMA | 3624 | ALPHA-IONOL |
| Flash point: | 93.4 °C |
| storage temp. | Refrigerator, under inert atmosphere |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| form | Oil |
| pka | 14.40±0.20(Predicted) |
| color | Colourless |
| Odor | at 100.00 %. ionone tropical sweet floral violet woody |
| JECFA Number | 391 |
| BRN | 2327829 |
| EPA Substance Registry System | 3-Buten-2-ol, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (3E)- (25312-34-9) |
Safety information for α-Ionol
Computed Descriptors for α-Ionol
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