5-bromo-2-methylphenylhydrazine hydrochloride (CAS# 214915-80-7)
Selelekela
hydrochloride ke motsoako oa tlhaho o nang le foromo ea lik'hemik'hale C7H8BrN2 · HCl. Se latelang ke selelekela sa sebopeho sa eona, ts'ebeliso, tokiso le tlhaiso-leseling ea polokeho:
Tlhaho:
- Ponahalo: Crystal e se nang 'mala kapa e mosehla
-Ntho e qhibilihang: Hoo e ka bang likhato tse 155-160 tsa Celsius
-Solubility: E qhibiliha hanyane ka metsing, ho qhibiliha ho betere ho ethanol le ether
-Toxicity: Motsoako ona o na le chefo e itseng 'me o lokela ho tšoaroa ka hloko le ho qoba ho hema le ho ama letlalo.
Sebelisa:
-hydrochloride e ka sebelisoa ho kopanya metsoako e meng ea manyolo, joalo ka li-intermediates tsa meriana le lidae.
-E ka boela ea sebelisoa e le reagent ea bohlokoa ea organic synthesis, e sebetsang e le mohloli oa karabelo ea organic synthesis.
Mokhoa:
Mokhoa oa ho lokisa hydrochloride o ka etsoa ka mehato e latelang:
1. Hlakola 2-bromo-5-methylaniline ka ethanol
2. Eketsa sodium nitrite le hydrochloric acid, diazotization reaction ka mocheso oa kamore
3. Kenya ether ea anhydrous bakeng sa ho ntšoa, ebe u sebelisa khase ea hydrogen chloride ho tlatsa lera la ether ho fumana sehlahisoa.
4. Qetellong, hydrochloride e fumanoa ka crystallization
Lintlha tsa Tšireletseho:
-Motsoako o chefo 'me o lokela ho tšoaroa ka hloko
-Ela hloko mehato ea ho itšireletsa ha u sebelisa le ho boloka, qoba ho hema kapa ho kopana le letlalo le mahlo
-Ela hloko maemo a matle a moea nakong ea ts'ebetso
-Haeba ka phoso u kopana le letlalo kapa mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle thuso ea bongaka
-Ka kopo boloka le ho tšoara motsoako ka nepo, qoba ho kopana le li-oxidants le li-acid tse matla ho thibela maemo a sa sireletsehang.