DEET (English diethylmethylbenzamide), uas nws lub npe tshuaj yog diethyltoluamide, yog ib tug dav-spectrum tshuaj tua kab. Chemicalbook muaj cov tshuaj tiv thaiv rau ntau hom kab tom hauv ntau qhov chaw thiab tuaj yeem tua yoov yoov. , midges, yoov dub, chiggers, mos yoov, yoov, gnats, nees yoov, yoov tshaj cum, xuab zeb yoov, gnats, yoov ruaj khov thiab zuam

tshuaj muaj zog

Colorless rau amber kua. Nws muaj lub teeb citrus tsw. Zoo insoluble hauv dej, tab sis miscible nrog ethanol, 2-propanol, propylene glycol thiab paj rwb noob roj. Cov ntsiab lus meta-isomer ntawm cov khoom lag luam yog 85 txog 95%, d24 yog 0.996 txog 0.998, thiab viscosity ntawm 30 ° C yog 13.3 centimeters Chemicalbook poise. Tus nqi ntawm qhov ncauj LD50 ntawm txiv neej nas dawb yog li 2000mg / kg; pub nas nrog pub muaj 1% DEET rau 200 hnub tsis muaj teebmeem dabtsi; Cov tshuaj tsis muaj tshuaj lom tuaj yeem ua rau khaus mucous, tab sis siv cov tshuaj tua kab mob ntawm DEET ntawm koj lub ntsej muag thiab ntsej muag txhua hnub Ntawm caj npab, ua rau tsuas yog khaus khaus.

Lub hom phiaj:

Raws li cov tshuaj tua kab, DEET yog cov tshuaj tua kab mob tseem ceeb hauv ntau yam khoom thiab kua tshuaj yoov tshaj cum. Nws muaj qhov tshwj xeeb los tiv thaiv yoov tshaj cum. Tag nrho peb lub isomers muaj cov tshuaj tua yoov tshaj cum, thiab cov meta-isomer yog qhov muaj zog tshaj plaws. Kev npaj: 70%, 95% kua.

CAS Nr .: 134-62-3

Cov mis mos molecular C12H17NO

Molecular hnyav 191.27

EINECS No. 205-149-7

Melting point -45 ° C

Kub taw tes 111 ° C1mmHg

Qhov ceev 0.998g / mL ntawm 20 ° C (lit.)

Vapor ceev 6.7 (Chemicalbookvsair)

Vapor siab <0.01mmHg (25 ° C)

Refractive index n20/D1.523 (lit.)

Flash point> 230 ° F

Cov ntaub ntawv tiv tauj

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