Nchịkọta

DEET (n'asụsụ Bekee diethylmethylbenzamide), nke a kpọrọ DEET, aha kemịkalụ bụ diethyltoluamide, bụ akwụkwọ Chemicalbook nke na-egbu ụmụ ahụhụ dị iche iche. Ọ na-egbochi ọtụtụ ụmụ ahụhụ na-ata ahụhụ n'ebe dị iche iche ma nwee ike ịchụpụ ụmụ ahụhụ na-agba agba. Ijiji, midges, ijiji ojii, chiggers, ijiji deer, fleas, gnats, ijiji ịnyịnya, anwụnta, ijiji ájá, gnats, ijiji kwụsiri ike na akọrọ.

Ngalaba Ọrụ Ugbo nke US mepụtara ma nye ikike ikike DEET n'oge Agha Ụwa nke Abụọ. E depụtara ngwaahịa a dị ka ngwaahịa ọgwụ anwụnta maka ndị agha US iji na 1946. E debanyere aha ya na US Environmental Protection Agency dị ka ọgwụ ọgwụ ahụhụ na 1957 ma malite iji ya maka ndị nkịtị. E ji ya mee ihe na mbụ dị ka ọgwụ ahụhụ n'ugbo. Mgbe e mesịrị, gọọmentị US tinyere akwụkwọ maka ojiji ya n'oge agha, karịsịa na Vietnam na Ndịda Ọwụwa Anyanwụ Eshia. Dịka ọnụ ọgụgụ US Environmental Protection Agency si kwuo, kwa afọ Chemicalbook Ihe fọrọ nke nta ka ọ bụrụ 40% nke ndị America na-eji ọgwụ ahụhụ nwere DEET, nke ihe dị ka nde mmadụ 200 na-eji n'ụwa niile. N'ime afọ 40 gara aga, ọmụmụ ihe karịrị ndị nyocha 20,000 egosila na DEET bụ ọgwụ mgbochi ahụhụ kachasị nchebe na nke kachasị dị irè n'ahịa. Ọgwụ mgbochi spectrum sara mbara. Òtù Ahụike Ụwa na-akwadokwa iji ngwaahịa ọgwụ mgbochi nwere DEET iji chebe megide ụmụ ahụhụ sitere na vector. A na-agwakọta ya na ọgwụ nje ndị ọzọ, mana nsí ya na-akawanye mma mgbe agwakọtara ya na ọgwụ nje carbamate.

Njirimara DEET

Nọmba CAS 134-62-3

Usoro molekụla C12H17NO

Ibu molekụla 191.27

EINECS Nke 205-149-7

Ebe agbaze -45°C

Ebe esi mmiri 111°C1mmHg

Njupụta 0.998g/mL na 20°C (ọkụ)

Njupụta uzuoku 6.7 (Chemicalbookvsair)

Nrụgide uzuoku <0.01mmHg (25°C)

Ndekọ Refractive n20/D1.523 (lit.)

Ebe ọkụ > 230°F

Ozi mkpọtụrụ

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