litaba

Kakaretso

DEET (Senyesemane diethylmethylbenzamide), e khutsufalitsoeng e le DEET, lebitso la lik'hemik'hale ke diethyltoluamide, ke buka ea lik'hemik'hale e thibelang likokoanyana tse ngata. E na le phello ea ho leleka likokoanyana tse fapaneng tse lomang libakeng tse fapaneng 'me e ka leleka likokoanyana tse lomang. Lintsintsi, li-midge, lintsintsi tse ntšo, li-chigger, lintsintsi tsa likhama, lintsintsi, lintsintsi tsa lipere, menoang, lintsintsi tsa lehlabathe, lintsintsi tse tsitsitseng le li-tick.

DEET e ile ea ntlafatsoa 'me ea fuoa tokelo ea molao ke Lefapha la Temo la US nakong ea Ntoa ea II ea Lefatše. Sehlahisoa sena se ile sa khethoa e le sehlahisoa sa ho leleka menoang hore se sebelisoe ke sesole sa US ka 1946. Se ile sa ngolisoa le US Environmental Protection Agency e le sebolaea likokoanyana ka 1957 'me sa qala ho sebelisoa bakeng sa tšebeliso ea baahi. Qalong se ile sa sebelisoa e le sebolaea likokoanyana mapolasing. Hamorao, 'muso oa US o ile oa etsa kopo ea tšebeliso ea sona nakong ea lintoa, haholo-holo Vietnam le Asia Boroa-bochabela. Ho ea ka lipalo-palo tsa US Environmental Protection Agency, selemo se seng le se seng Chemicalbook Hoo e ka bang 40% ea Maamerika a sebelisa sebolaea likokoanyana se nang le DEET, se sebelisoang ke batho ba ka bang limilione tse 200 lefatšeng ka bophara. Lilemong tse 40 tse fetileng, lithuto tse entsoeng ke litsi tsa lipatlisiso tse fetang 20,000 li pakile hore DEET ke sebolaea likokoanyana se sireletsehileng ka ho fetisisa le se sebetsang ka ho fetisisa 'marakeng. Sebolaea likokoanyana se pharaletseng. Mokhatlo oa Lefatše oa Bophelo o boetse o khothaletsa tšebeliso ea lihlahisoa tsa ho leleka tse nang le DEET ho sireletsa khahlanong le likokoanyana tse jang likokoana-hloko. Hangata se tsoakoa le chefo e meng, empa chefo ea sona ea eketseha ha se kopantsoe le chefo e bolaeang likokoanyana ea carbamate.

微信图片_20240912130613

Matlo a DEET

Nomoro ea CAS 134-62-3

Foromo ea limolek'hule C12H17NO

Boima ba limolek'hule 191.27

Nomoro ea EINECS 205-149-7

Sebaka sa ho qhibiliha -45°C

Boemo ba ho belisa 111°C1mmHg

Botenya 0.998g/mL ho 20°C (ha e le hantle)

Boima ba mouoane 6.7 (Chemicalbookvsair)

Khatello ea mouoane <0.01mmHg (25°C)

Letšoao la refractive n20/D1.523 (lit.)

Sebaka sa ho bonesa> 230°F

134-62-3

Mokhoa oa puisano

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n-methyl-p-toluidine

 


Nako ea poso: Loetse 12-2024