(E)-Methyl 4-bromocrotonate (CAS# 6000-00-6)
Umngcipheko kunye noKhuseleko
| Iimpawu ezinobungozi | Xi – Irritant |
| Iikhowudi zoMngcipheko | I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu. I-R41 – Umngcipheko womonakalo omkhulu emehlweni R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S39 –Nxiba ukhuseleko lwamehlo / ubuso. |
| WGK eJamani | 3 |
| RTECS | GQ3120000 |
| FLUKA BRAND F IIKHOWUDI | 8-9 |
| Ikhowudi ye-HS | 29161900 |
Intshayelelo
I-Trans-4-bromo-2-butenoic acid i-methyl ester ngulwelo olungenambala olunevumba elikhethekileyo. Inobunzima obumalunga ne-1.49g/cm3, iqondo lokubila elimalunga ne-171-172°C, kunye ne-flash point malunga ne-67°C. Ayinyibiliki emanzini kwiqondo lobushushu begumbi, kodwa iyadityaniswa kunye nezinyibilikisi eziphilayo ezifana ne-ethanol, i-ether, njl.
Sebenzisa:
I-Trans-4-bromo-2-butenoic acid i-methyl ester isetyenziswa ikakhulu njengendawo ephakathi kwi-organic synthesis reactions. Ingasetyenziselwa ukuhlanganiswa kwamanye ama-organic compounds, umzekelo we-synthesis ye-compounds kwi-chemistry yamayeza kunye ne-pesticide chemistry.
Indlela yokulungiselela:
I-Trans-4-bromo-2-butenoic acid i-methyl ester idla ngokulungiswa ngokusabela kwe-bromination kunye ne-esterification reaction. I-Butene iqala ukusabela nge-bromine ukunika i-4-bromo-2-butene, ethi ke i-esterified kunye ne-methanol ukunika i-trans-4-bromo-2-butenoic acid methyl ester.
Ulwazi ngoKhuseleko:
I-Trans-4-bromo-2-butenoic acid i-methyl ester luhlobo lwe-solvent ye-organic kunye ne-chemical raw material, enobungozi obuthile. Iyacaphukisa kwaye iyatshisa, kwaye ukudibanisa nesikhumba, amehlo okanye umgudu wokuphefumula kunokubangela ukucaphuka kunye nokulimala. Ukuqhagamshelana ngokuthe ngqo kufuneka kugwenywe ngexesha lokusetyenziswa, kwaye ukhuseleko olufanelekileyo lokuphefumula kunye nempahla yokukhusela kufuneka ithathwe. Ukongezelela, kufuneka kuthathelwe ingqalelo ukuphepha ukudibanisa ne-oxidants kunye ne-acids eqinile ngexesha lokugcinwa ukukhusela ukuphendula okuyingozi. Ukuba ufuna ukusebenzisa le khompawundi, nceda usebenze kwindawo ekhuselekileyo kwaye ulandele iinkqubo ezifanelekileyo zokusebenza ezikhuselekileyo.
