Toxicology
Oral, rat: LD50 is 1100–1300 mg/kg.
Oral, dog: LD50 is above 28000 mg/kg.
Hydramethylnon is especially toxic to fish; the 96-hour LC50 in rainbow trout is 0.16 mg/L, 0.10 mg/L in channel catfish, and 1.70 mg/L in bluegill sunfish.
Read more about this topic: Hydramethylnon