A post-emergence contact diazine herbicide, available alone or in combination with cyanazine and MCPA, or with MCPA and MCPB.
For etiology, clinical features, lesions and treatment see Diazines .

[toxic.gif] Toxicity
Oral doses in mg/kg or concentrations in mg/l:

LD50 rats 788 - 1100
  mice 407
  rabbits 750
  cats 500
TD sheep
  sheep 2-8 for 3 months
LC50 (96 h) fish

Note: in sheep, a single dose of 800 mg/kg caused a non-suppurative encephalitis, interstitial nephritis and haemorrhages in the respiratory tract and lymph nodes.