- H: 317May cause an allergic skin reaction
- H: 318Causes serious eye damage.
- H: 330Fatal if inhaled.
- H: 335May cause respiratory irritation
- H: 351Suspected of causing cancer.
- H: 410Very toxic to aquatic life with long lasting effects
- 2,4,5,6-Tetrachlor-1,3-benzdicarbonitril
- 2,4,5,6-Tetrachlor-3-cyanobenzonitril
- 2,4,5,6-tetrachloroisophthalonitrile
- Chlorothalonil chlorothalonil
- Tetrachlorisophthalonitril