2-Cyclohepten-1-one
- CAS NO.：1121-66-0
- Empirical Formula: C7H10O
- Molecular Weight: 110.15
- MDL number: MFCD00004157
- EINECS: 214-334-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:59:25
What is 2-Cyclohepten-1-one?
The Uses of 2-Cyclohepten-1-one
A cycloheptenone derivative, a key intermediate for the synthesis of perhydroazulene terpenoids.
Synthesis Reference(s)
The Journal of Organic Chemistry, 41, p. 2073, 1976 DOI: 10.1021/jo00873a055
General Description
2-Cyclohepten-1-one is an α,β-enone and its regioselective reaction with allyl indium reagent in the presence of TMSCl has been reported. It reacts with Bu2Zn in the presence of catalytic amounts of Cu(OTf)2 and CH2-bridged azolium salts to give (S)-3-butylcycloheptanone.
Properties of 2-Cyclohepten-1-one
| Boiling point: | 183°C(lit.) |
| Density | 0.988 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 155 °F |
| storage temp. | 2-8°C |
| form | clear liquid |
| color | Colorless to Light orange to Yellow |
| λmax | 227nm(EtOH)(lit.) |
| NIST Chemistry Reference | 2-Cyclohepten-1-one(1121-66-0) |
Safety information for 2-Cyclohepten-1-one
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 2-Cyclohepten-1-one
| InChIKey | WZCRDVTWUYLPTR-UHFFFAOYSA-N |
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