Is Esfenvalerate Safe for Humans

It is practically non-toxic via inhalation, with a reported inhalation LC50 of greater than 2.93 mg/L in rats [2,12]. Because esfenvalerate is a relatively new compound it has little usage history. The bulk of evidence related to acute poisonings in humans due to esfenvalerate comes from incidents in India.

Is pyrethrin toxic to humans?

The pyrethrins are generally of low acute toxicity but convulsions may occur if substantial amounts are ingested. Two deaths from acute asthma have been attributed to pyrethrins and clinical reports suggest that they may also cause a variety of forms of dermatitis. Ocular exposure has resulted in corneal erosions.

How much pyrethrin is toxic to humans?

While the inherent toxic potential of pyrethroids is high, with LD50 ranging from 0.5 mg/kg to 250 mg/kg, especially for type II compounds,2 they are generally considered safe for humans.