nkhani

Diethylmethylbenzamide ndi mankhwala ophera tizilombo tosiyanasiyana omwe amathamangitsa tizilombo toluma m'malo osiyanasiyana. Amatha kuthamangitsa ntchentche zokhala ndi spiny, midges, black flies, chiggers, deer flies, nthata, udzudzu, horse flies, udzudzu, sand flies, udzudzu, stable flies ndi nkhupakupa.

Katundu wa Mankhwala

Madzi osakhala ndi utoto kapena amber. Ali ndi fungo lopepuka la citrus. Sasungunuka m'madzi, koma amatha kusakanikirana ndi ethanol, 2-propanol, propylene glycol ndi mafuta a thonje. Kuchuluka kwa meta-isomer m'zinthu zamafakitale ndi 85 mpaka 95%, d24 ndi 0.996 mpaka 0.998, ndipo kukhuthala pa 30°C ndi 13. Chemicalbook 3 centipoise. Mtengo wa LD50 wa pakamwa wa makoswe oyera aamuna ndi pafupifupi 2000mg/kg; kudyetsa makoswe ndi chakudya chokhala ndi 1% DEET kwa masiku 200 sikuli ndi zotsatirapo zoyipa; mankhwala osasungunuka amatha kukwiyitsa nembanemba ya mucous, koma amagwiritsa ntchito kuchuluka kwa DEET pankhope ndi pankhope tsiku lililonse. Pamanja, zimayambitsa kukwiya pang'ono.

Cholinga:

Monga mankhwala ophera tizilombo, DEET ndiye chinthu chachikulu chophera tizilombo m'magulu osiyanasiyana ophera udzudzu olimba komanso amadzimadzi. Ili ndi zotsatira zapadera popewa udzudzu. Ma isomer onse atatu ali ndi mphamvu yophera udzudzu, ndipo meta-isomer ndiye wamphamvu kwambiri. Kukonzekera: 70%, 95% yamadzimadzi.

Njira yopangira:

Amapezedwa kuchokera ku zomwe zimachitika mu m-toluoyl chloride ndi diethylamine. Zogulitsa zamakampani zimakhala ndi ma isomers 5%-15%.

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Nthawi yotumizira: Julayi-26-2024