The formulation of KWH02 was tested according to China GB15670-1995 (test method on toxicity for pesticide registration). The report of the toxicological studies conducted by Jiangsu Provincial Sanitary and Anti-Epidemic Station revealed that the oral LD50 of the male and female rats were higher than 5000 mg/kg body weight.
Such a result makes clear that this compound belongs to the category of low toxicity herbicides, while the acute dermal irritation test and the integral index of the acute eye irritation test on rabbit showed no negative effects at all.