- H: 225 Highly flammable liquid and vapour
- H: 304May be fatal if swallowed and enters airways
- H: 315Causes skin irritation
- H: 319Causes serious eye irritation
- H: 335May cause respiratory irritation
- H: 412Harmful to aquatic life with long lasting effects
- cycloocta-1,3,5,7-tetraene
- Cyclooctatetraene