3,5,5-Trimethyl-2-cyclohexen-1-ol
Synonym(s):Isophorol
- CAS NO.：470-99-5
- Empirical Formula: C9H16O
- Molecular Weight: 140.22
- MDL number: MFCD00001554
- EINECS: 207-433-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:49:21
What is 3,5,5-Trimethyl-2-cyclohexen-1-ol?
Chemical properties
clear colorless liquid
The Uses of 3,5,5-Trimethyl-2-cyclohexen-1-ol
This alcohol has found a little use in perfume compositions, mainly in Honey-bases as a modifier and powerful ingredient. It blends excellently with Phenylacetic acid and its esters, with Mimosa, Labdanum and the conventional Acetophenone-derivatives, and it is, incidentally, very interesting in YlangYlang.
Synthesis Reference(s)
Journal of the American Chemical Society, 100, p. 2226, 1978 DOI: 10.1021/ja00475a040
The Journal of Organic Chemistry, 47, p. 3311, 1982 DOI: 10.1021/jo00138a021
General Description
3,5,5-Trimethyl-2-cyclohexen-1-ol undergoes oxidation in the presence of palladium on activated charcoal under an ethylene atmosphere to yield the corresponding carbonyl compound.
Synthesis
3,5,5-Trimethyl-2-cyclohexen-1-ol is prepared (several methods) e. g. from isoPhorone by controlled hydrogenation. It has also been prepared from 3,3-Dimethyl cyclohexanol.
Properties of 3,5,5-Trimethyl-2-cyclohexen-1-ol
| Boiling point: | 79.5-81.5 °C8 mm Hg(lit.) |
| Density | 0.918 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 176 °F |
| pka | 14.74±0.60(Predicted) |
| BRN | 1929064 |
| CAS DataBase Reference | 470-99-5 |
| EPA Substance Registry System | 2-Cyclohexen-1-ol, 3,5,5-trimethyl- (470-99-5) |
Safety information for 3,5,5-Trimethyl-2-cyclohexen-1-ol
Computed Descriptors for 3,5,5-Trimethyl-2-cyclohexen-1-ol
| InChIKey | LDRWAWZXDDBHTG-UHFFFAOYSA-N |
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