There are moths in the wooden bed, which always squeak.

Hygienic insecticide refers to a drug mainly used in the field of public health to control vectors and pests that affect people's lives. It mainly includes drugs for controlling mosquitoes, flies, fleas, cockroaches, mites, ticks, ants, rats and other vectors and pests. This pesticide is different from the pesticides used to protect agricultural crops and kill agricultural pests. Hygienic pesticides directly affect human living environment, and some even come into contact with people for a long time (such as indoor space spraying agent, residual spraying agent, moths, mosquito net soaking agent, etc.). ), and their protection object is people.

The toxicity requirement is high. The preparation has an acute oral LD50 effect on rats. 5000 mg/kg body weight, percutaneous LD50. 2000 mg/kg body weight, inhaled LC50. 10000 mg/m3 (1h); No obvious irritation to skin and eyes, no sensitization; No genotoxicity or mutagenicity, no delayed neurotoxicity; Therefore, at present, most sanitary insecticides are low-toxic, and a few are poisoned, not high-toxic, and high-toxic is prohibited.

Organochlorine is one of the earliest pesticides used to control healthy pests. BHC and DDT once played an important role in eliminating diseases in our province. Most of these pesticides have been stopped because of their high toxicity, high residue and great harm to the environment and people. At present, the only organochlorine insecticide used in our province is chlorfenapyr (7504), which has contact toxicity and stomach toxicity and low toxicity. It is mainly used in powder, medicine and mosquito-repellent incense.

Features: high insecticidal activity, which is 1 ~ 2 orders of magnitude higher than ordinary organophosphorus and carbamate; Quick knockdown; Wide insecticidal spectrum; Low toxicity to people and livestock. At present, most of the original drugs used as household hygiene pesticides are this kind of pesticides.