DEET (English diethylmethylbenzamide), onye aha kemịkal ya bụ diethyltoluamide, bụ ihe na-egbochi ụmụ ahụhụ sara mbara. Akwụkwọ kemịkalụ nwere mmetụta na-egbochi ụdị ahụhụ dị iche iche na-ata ahụhụ na gburugburu ebe dị iche iche ma nwee ike ịchụpụ ijiji na-agba agba. , midges, ijiji ojii, chiggers, ijiji mgbada, fleas, anwụnta, ijiji ịnyịnya, anwụnta, ijiji aja, ahụhụ, ijiji kwụsiri ike na akọrọ.

chemical Njirimara

Mmiri mmiri na-enweghị agba. Nwere isi citrus dị ọkụ. Ọ fọrọ nke nta ka ọ bụrụ ihe a na-adịghị ahụkebe na mmiri, mana enwere ike iji ethanol, 2-propanol, propylene glycol na mmanụ owu. Ọdịnaya meta-isomer nke ngwaahịa ụlọ ọrụ bụ 85 ruo 95%, d24 bụ 0.996 ruo 0.998, na viscosity na 30°C bụ 13.3 centimeters Chemicalbook poise. Nnukwu ọnụ ọnụ LD50 uru nke oke ọcha nwoke bụ ihe dịka 2000mg/kg; nri oke na nri nwere 1% DEET maka ụbọchị 200 enweghị mmetụta ọjọọ; Ngwakọta ahụ a na-edochaghị anya nwere ike kpasuo akpụkpọ anụ ahụ iwe, mana na-eji ntinye uche nke DEET n'ihu na ihu gị kwa ụbọchị Na ogwe aka, na-akpata naanị iwe dị nro.

Ebumnuche:

Dị ka ihe na-egbochi ụmụ ahụhụ, DEET bụ isi ihe na-egbochi anwụnta dị iche iche na usoro mgbochi anwụnta siri ike. Ọ nwere mmetụta pụrụ iche na igbochi anwụnta. Ndị isomer atọ ahụ nwere mmetụta na-egbochi anwụnta, na meta-isomer bụ nke kachasị ike. Nkwadebe: 70%, 95% mmiri mmiri.

CAS Nọmba 134-62-3

Usoro ihe omimi C12H17NO

Ibu molekụla 191.27

EINECS Nọmba 205-149-7

Ebe mgbaze -45 Celsius

Ebe esi esi 111°C1mmHg

Njupụta 0.998g/ml na 20°C (ọkụ.)

Uzuoku njupụta 6.7 (Chemicalbookvsair)

Uzuoku mgbali <0.01mmHg (25°C)

Ntụgharị ntụgharị n20/D1.523 (ọkụ)

Ebe ọkụ ọkụ> 230°F

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