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Deltamethrin
Deltamethrin (fomula ya molekuli C22H19Br2NO3, uzani wa fomula 505.24) ni fuwele nyeupe yenye umbo la sera iliyoimarishwa na kiwango myeyuko cha 101~102°C na kiwango cha kuchemka cha 300°C. Ni karibu hakuna katika maji kwenye joto la kawaida na mumunyifu katika vimumunyisho vingi vya kikaboni. Imara kwa mwanga na hewa. Ni imara zaidi katika kati ya tindikali, lakini imara katika kati ya alkali.
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