1-Methylcyclopentene
- CAS NO.：693-89-0
- Empirical Formula: C6H10
- Molecular Weight: 82.14
- MDL number: MFCD00001397
- EINECS: 211-762-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:28
What is 1-Methylcyclopentene?
Chemical properties
CLEAR COLOURLESS LIQUID
The Uses of 1-Methylcyclopentene
1-Methylcyclopentene can be used as:
- A probe molecule in the synthesis of alkenyl carbenium ions via adsorption on zeolite Y.
- A model olefin compound in the kinetic study of hydrogenation of olefins using various catalytic systems.
- A reactant to synthesize 1,2,3-trisubstituted?benzocyclopentenes by reacting with β-disulfonyl iodonium ylides.
Properties of 1-Methylcyclopentene
| Melting point: | -142°C |
| Boiling point: | 75-77 °C(lit.) |
| Density | 0.78 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 1 °F |
| storage temp. | Flammables area |
| form | Liquid |
| color | Clear colorless |
| BRN | 1900640 |
| CAS DataBase Reference | 693-89-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclopentene, 1-methyl-(693-89-0) |
| EPA Substance Registry System | Cyclopentene, 1-methyl- (693-89-0) |
Safety information for 1-Methylcyclopentene
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Health Hazard GHS08 |
| GHS Hazard Statements |
H225:Flammable liquids H304:Aspiration hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. |
Computed Descriptors for 1-Methylcyclopentene
1-Methylcyclopentene manufacturer
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