2,6,6-TRIMETHYL-1-CYCLOHEXENE-1-ACETALDEHYDE
Synonym(s):β-Homocyclocitral
- CAS NO.：472-66-2
- Empirical Formula: C11H18O
- Molecular Weight: 166.26
- MDL number: MFCD00012057
- EINECS: 207-454-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 2,6,6-TRIMETHYL-1-CYCLOHEXENE-1-ACETALDEHYDE?
The Uses of 2,6,6-TRIMETHYL-1-CYCLOHEXENE-1-ACETALDEHYDE
2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde can be used as a starting material to prepare:
- (±)-Aeginetolide by oxidation in the presence of meta-chloroperoxybenzoic acid (m-CPBA).
- (±)-Dihydroactinidiolide (a C11-terpenic lactone) via dehydration of key intermediate aeginetolide.
It can also be used as a key intermediate to synthesize drimane-related sesquiterpenes and substituted retinoic acid analogs.
Definition
ChEBI: 2,6,6-Trimethyl-1-cyclohexen-1-acetaldehyde is an aldehyde.
Taste threshold values
Taste characteristics at 15 ppm: cooling, woody, oily, soapy, citrus with a berry, orris-like nuance.
Properties of 2,6,6-TRIMETHYL-1-CYCLOHEXENE-1-ACETALDEHYDE
| Boiling point: | 58-59 °C/0.4 mmHg (lit.) |
| Density | 0.941 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 3474 | 2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-ACETALDEHYDE |
| Flash point: | 191 °F |
| storage temp. | 2-8°C |
| Odor | at 10.00 % in dipropylene glycol. camphoreous cooling woody medicinal oily berry orris soapy |
| JECFA Number | 978 |
| EPA Substance Registry System | 1-Cyclohexene-1-acetaldehyde, 2,6,6-trimethyl- (472-66-2) |
Safety information for 2,6,6-TRIMETHYL-1-CYCLOHEXENE-1-ACETALDEHYDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,6,6-TRIMETHYL-1-CYCLOHEXENE-1-ACETALDEHYDE
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