Isibulala-zinambuzane i-Tetramethrin Mosquito 95%Tc Ulawula Omiyane Undiza Amaphela
Incazelo Yomkhiqizo
I-Tetrametrin isetshenziswa kabanzi inamandlazokwenziwaIsibulala-zinambuzaneemndenini wepyrethroid.Iqinile njengekristalu emhlophe.Umkhiqizo wezohwebo uyingxube yama-stereoisomers.Ivame ukusetshenziswa njengeisibulala-zinambuzane, futhi kuthinta isimiso sezinzwa zalesi sinambuzane.Ingatholakala kwabaningiIsibulala-zinambuzane sasekhayaimikhiqizo.Ifomula ye-empirical ithi C19H25NO4;isisindo semolekyuli ngu-331.4.Indlela yayo iyikristalu engenambala;amandla adonsela phansi athile angu-1.1 ku-20°C;umfutho wayo womhwamuko ngu-0.944 mPa ku-30°C;logKow= 4.6.Ayincibiliki kancane (1.83 mg/l) emanzini angu-25°C, kodwa iyancibilika kuzincibilikisi eziningi eziphilayo.Ayizinzile ku-asidi eqinile ne-alkaline medium.
Isicelo
Ijubane layo lokuwisa omiyane, izimpukane njll. liyashesha.Iphinde ibe nesenzo sokuxosha amaphela.Ivamise ukwakhiwa ngezibulala-zinambuzane ezinamandla amakhulu okubulala.Ingenziwa ibe isibulala-zinambuzane esifuthwayo kanye nesibulala-zinambuzane esibulala izinambuzane.
Ubuthi
I-Tetramethrin iyi-insecticide enobuthi obuphansi.I-Acute percutaneous LD50 konogwaja>2g/kg.Ayikho imiphumela ecasulayo esikhumbeni, emehlweni, ekhaleni, nasendleleni yokuphefumula.Ngaphansi kwezimo zokuhlola, akukho miphumela ye-mutagenic, carcinogenic, noma yokuzala eyabonwa.Lo mkhiqizo unobuthi ezinhlanzini I-Chemicalbook, ene-carp TLm (amahora angu-48) ka-0.18mg/kg.Igill eluhlaza okwesibhakabhaka i-LC50 (amahora angu-96) ingu-16 μ G/L.Izigwaca oral acute LD50>1g/kg.Iphinde ibe nobuthi ezinyosini nasezibungwini zikasilika.