- H: 226Flammable liquid and vapour
- H: 301Toxic if swallowed
- H: 311Toxic in contact with skin
- H: 315Causes skin irritation
- H: 319Causes serious eye irritation
- H: 335May cause respiratory irritation
- 1,3-Cyclopentadien
- 1,3-Cyclopentadiene
- cyclopenta-1,3-diene
- Cyclopentadiene
- Pentol
- Pyropentylen