iroyin

DEET (Gẹẹsi diethylmethylbenzamide), ẹniti orukọ kemikali rẹ jẹ diethyltoluamide, jẹ apanirun kokoro ti o gbooro. Iwe kemikali ni ipa ipakokoro lori ọpọlọpọ awọn kokoro ti n ṣanrin ni ọpọlọpọ awọn agbegbe ati pe o le kọ awọn fo ti n ta. , midges, dudu fo, chiggers, agbọnrin fo, fleas, kant, ẹṣin fo, mosquitoes, iyanrin fo, kokoro, idurosinsin fo ati ami si

kemikali-ini

Alailowaya si omi amber. O ni oorun didun osan. Fere insoluble ninu omi, ṣugbọn miscible pẹlu ethanol, 2-propanol, propylene glycol ati cottonseed epo. Akoonu meta-isomer ti awọn ọja ile-iṣẹ jẹ 85 si 95%, d24 jẹ 0.996 si 0.998, ati viscosity ni 30°C jẹ 13.3 centimeters Kemikali poise. Awọn ńlá ẹnu LD50 iye ti akọ funfun eku jẹ nipa 2000mg/kg; awọn eku ifunni pẹlu kikọ sii ti o ni 1% DEET fun awọn ọjọ 200 ko ni awọn ipa buburu; Apapo ti ko ni ilọpo le binu awọn membran mucous, ṣugbọn lo ifọkansi ti DEET lori oju ati oju rẹ lojoojumọ Lori awọn apa, fa ibinu kekere nikan.

DEET

Idi:

Gẹgẹbi apanirun kokoro, DEET jẹ eroja apanirun akọkọ ni ọpọlọpọ awọn jara ti o lagbara ati olomi efon. O ni awọn ipa pataki ni idilọwọ awọn efon. Gbogbo awọn isomers mẹta ni ipa ipakokoro lori awọn ẹfọn, ati pe meta-isomer jẹ alagbara julọ. Igbaradi: 70%, 95% olomi.

CAS No.. 134-62-3

Ilana molikula C12H17NO

Iwọn molikula 191.27

EINECS No.. 205-149-7

Oju yo -45°C

Oju omi farabale 111°C1mmHg

Iwuwo 0.998g/ml ni 20°C (tan.)

Òru òru 6.7 (Chemicalbookvsair)

Oru titẹ <0.01mmHg (25°C)

Atọka itọka n20/D1.523 (tan.)

Aaye filasi> 230°F

DEET

Ibi iwifunni

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Akoko ifiweranṣẹ: Oṣu Kẹjọ-12-2024