- H: 302Harmful if swallowed
- H: 315Causes skin irritation
- H: 319Causes serious eye irritation
- H: 331Toxic if inhaled
- H: 335May cause respiratory irritation
- H: 351Suspected of causing cancer.
- H: 410Very toxic to aquatic life with long lasting effects
- 2,3,4-TRICHLORBUTEN-1
- 2,3,4-trichlorobut-1-ene