2-Fluoro-5-bromo-3-methylpyridine (CAS# 29312-98-9)
Likhoutu tsa Kotsi | R20/21/22 – E kotsi ka ho hema, ho kopana le letlalo le ha e koetsoe. R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo. R41 – Kotsi ya tshenyo e kgolo mahlong R37/38 – E tenang tsamaiso ya ho hema le letlalo. R22 – E kotsi ha e kwetswe |
Tlhaloso ea Tšireletseho | S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka. S36 - Apara liaparo tse loketseng tsa tšireletso. S39 - Apara ts'ireletso ea mahlo / sefahleho. S37 - Apara liatlana tse loketseng. |
Khoutu ea HS | 29339900 |
Sehlopha sa Likotsi | TS'OALANG |
Selelekela
Ke motsoako oa manyolo o nang le foromo ea lik'hemik'hale C7H6BrFN.
Tlhaho:
-Ponahalo: Mokelikeli o se nang 'mala ho isa ho o mosehla o khanyang
-Ntho e qhibilihang:-3 ℃
- Sebaka se belang: 204-205 ℃
- Boima: 1.518g/cm³
-Solubility: E qhibiliha hanyane ka metsing, e qhibiliha ka har'a metsoako e mengata ea tlhaho
Sebelisa:
E sebelisoa haholo ho organic synthesis joalo ka ea bohlokoa lipakeng. E ka sebelisoa ho kopanya lithethefatsi, chefo e bolaeang likokoanyana le metsoako e meng ea manyolo.
Mokhoa:
Mokhoa oa ho lokisetsa ke o latelang:
1. Ka 2-fluoropyridine le palo e itseng ea methyl bromide boteng ba oxidant chlorine kapa carbon peroxide reaction.
2. E lokiselitsoe ke karabelo ea 2-bromo-5-fluoropyridine le methyl lithium.
Lintlha tsa Tšireletseho:
E ka 'na ea halefisa' me ea senya 'mele oa motho, kahoo u lokela ho ela hloko mehato ea tšireletso ha u e sebelisa, ho kenyelletsa le ho apara li-gloves tse sireletsang, likhalase le liaparo tse sireletsang. Qoba ho hema mouoane oa eona kapa ho kopana le letlalo le mahlo. Haeba o hema kapa o pepesehetse motsoako, hlatsoa sebaka se amehileng hang-hang 'me u batle thuso ea bongaka haeba ho hlokahala.