2-3-Diethyl-5-Methylpyrazine(CAS#18138-04-0 )

Kupu Whakataki

Ko te 2,3-Diethyl-5-methylpyrazine he puhui pararopi, e mohiotia ana ko DEET (N,N-diethyl-3-methylphenylethylamine).

E whai ake nei etahi o nga taonga o te 2,3-diethyl-5-methylpyrazine:

1. Te ahua: Ko te DEET he wai kore tae ki te wai kowhai marama.

2. Te Kangi: He raukikini, he haunga pararopi.

3. Wairewa: He wairewa te DEET i roto i te waipiro, te etera me te nuinga o nga whakarewa pararopi, engari he iti te whakarewatanga ki te wai.

Ko te whakamahinga matua o te 2,3-diethyl-5-methylpyrazine hei parepare mo nga mate pepeke me nga mate pepeke. He whai hua ki nga ngau a nga momo pepeke penei i te namu, te tiki, me te namu, me era atu. Ko te DEET te nuinga o te whakamahi ki te hanga i nga hua penei i te patu pepeke, te namu, te pepeke, me te rehu ngarara.

Ko te tikanga mo te whakarite i te 2,3-diethyl-5-methylpyrazine te nuinga o te wa e mahia ana e te tauhohenga taapiri catalytic o te benzylamine me te waikawa chloroacetic, i te aroaro o te kawakore, ki te whakaputa i te N-benzyl-N-methylacetamide, katahi na roto i te tauhohenga matewai kia whiwhi. DEET. Ka taea te whakarite i te tukanga whakarite motuhake kia rite ki nga ahuatanga motuhake me nga reagents tauhohenga.

Mōhiohio Haumaru: Ko te 2,3-Diethyl-5-methylpyrazine e kiia ana he haumaru i raro i nga tikanga whakamahi. Me tupato ki te whakamahi i etahi taupori, penei i nga tamariki, nga wahine hapu me nga wahine e u ana, me nga tangata mate mate ki te DEET. Ko te roa o te rongo ki te DEET ka pa he kino penei i te mate mate kiri me te irirangi o te kanohi, no reira horoia o ringaringa me nga waahi kiri e kitea ana i muri i te whakamahinga. Mena ka pa mai he mate kino, he tauhohenga kino ranei, me whakamutu tonu te whakamahi ka korero ki te taote.