2 3 5-Tribromopyridine (CAS# 75806-85-8)
| Iikhowudi zoMngcipheko | 34 – Ibangela ukutsha |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S27 – Khulula ngoko nangoko zonke iimpahla ezosulelekileyo. S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso. S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.) |
| IKlasi yeeNgozi | OLUTHUMILEYO, UKUFUMUKA S |
Intshayelelo
I-2,3,5-Tribromopyridine i-organic compound kunye ne-chemical formula C5H2Br3N. Oku kulandelayo yintshayelelo kwezinye zeepropati zayo, ukusetyenziswa, ukwakhiwa kunye nolwazi lokhuseleko:
Indalo:
-Inkangeleko: 2,3,5-Tribromopyridine is a colorless to yellow yellow solid.
-I-Solubility: Ayinakunyibilika emanzini, kodwa inokunyibilika kwii-solvents eziphilayo ezifana ne-chloroform, i-dichloromethane, njl.
-Indawo yokunyibilika: I-2,3,5-Tribromopyridine inendawo yokunyibilika malunga ne-112-114 ° C.
Sebenzisa:
- 2,3,5-Tribromopyridine isoloko isetyenziswa njenge-reagent kunye ne-intermediate in organic synthesis.
-Isetyenziswa ngokubanzi kwiinkalo zokwenziwa kweziyobisi, ukuveliswa kwezinambuzane kunye nokulungiswa kwedayi.
-Ukongezelela, inokuthi isetyenziswe njengezinto zokuqala zokudibanisa i-metal organic compounds (kubandakanywa iipolymers zokulungelelanisa kunye nezixhobo ze-photoelectric).
Indlela yokulungiselela:
Indlela yokulungiselela i-2,3,5-Tribromopyridine inokufezekiswa ngala manyathelo alandelayo:
Okokuqala, i-pyridine ichithwa kwi-solvent ye-organic efana ne-dichloromethane okanye i-chloroform.
2. Yongeza i-bromine kwisisombululo kwaye ushushu ukuphendula.
3. Emva kokugqitywa kwe-reaction, imveliso ye-brominated yaxutywa nge-hydrolyzed ngokongezwa kwe-dropwise yamanzi.
4. Ekugqibeleni, imveliso yodwa kwaye ihlanjululwe ngokucoca, i-crystallization, njl.
Ulwazi ngoKhuseleko:
- 2,3,5-Tribromopyridine ayiyi kubangela imiba yokhuseleko phantsi kweemeko eziqhelekileyo zokusebenza.
-Inokubangela ukucaphuka eluswini, emehlweni nakwindlela yokuphefumla, ke nxiba izixhobo ezifanelekileyo zokuzikhusela xa uyisebenzisa.
-Qwalasela iinkqubo ezifanelekileyo zelabhoratri kunye nemilinganiselo yokhuseleko xa uphethe le khompawundi.
-Xa ugcina kunye nokuphatha i-compound, kufuneka kuthathelwe ingqalelo ukuphepha ukudibanisa ne-oxidants, i-acids eqinile, iziseko ezinamandla kunye nezinye izinto.
Nceda uqaphele ukuba ezi nkcukacha zingentla zenzelwe ireferensi kuphela. Xa usebenzisa i-2,3,5-Tribromopyridine okanye nayiphi na enye into yeekhemikhali, nceda ulandele iingcebiso zokusebenza ngokukhuselekileyo kunye nokusetyenziswa okuchanekileyo, kwaye ufunde kwaye uhambisane nephepha ledatha elikhuselekileyo lekhemikhali efanelekileyo.
