3-Bromo-5-methylpyridine (CAS# 3430-16-8)
| Iikhowudi zoMngcipheko | R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. I-R41 – Umngcipheko womonakalo omkhulu emehlweni I-R22 – Iyingozi xa iginyiwe |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S36/37/39 – Nxiba iimpahla ezikhuselayo ezifanelekileyo, iiglavu kunye nokhuseleko lwamehlo/ubuso. S39 –Nxiba ukhuseleko lwamehlo / ubuso. |
| Izazisi ze-UN | NA 1993 / PGIII |
| WGK eJamani | 3 |
| IKlasi yeeNgozi | OKUTHUMEKAYO |
Intshayelelo
I-3-Bromo-5-methyl-pyridine i-organic compound kunye ne-chemical formula ye-C6H6BrN kunye ne-molecular weight ye-173.03g / mol. Oku kulandelayo yinkcazo yobume bayo, ukusetyenziswa, ukulungiswa kunye nolwazi lokhuseleko:
Indalo:
-Inkangeleko: Ayinabala ukuya kulwelo oluluthubi oluluthuthu okanye oluluqilima oluyikristale.
-I-Solubility: Inyibilika kwiintlobo ezininzi ze-solvents eziphilayo, ezifana ne-alcohol, i-ethers kunye ne-chlorinated hydrocarbons.
-Indawo yokunyibilika: malunga ne-14-15 ℃.
-Indawo yokubila: malunga ne-206-208 ℃.
-Ubuninzi: malunga ne-1.49g/cm³.
-Ivumba: linevumba elikhethekileyo nelikhuthazayo.
Sebenzisa:
- I-3-Bromo-5-methyl-pyridine isetyenziswa ngokuqhelekileyo njengendawo ephakathi kwi-organic synthesis kwaye ingasetyenziselwa ukulungisa ezinye izinto eziphilayo, ezifana neziyobisi, i-pesticides kunye nedayi.
-Inokuthi isetyenziswe njenge-reagent kuphando kunye nebhubhoratri.
Indlela yokulungiselela:
- I-3-Bromo-5-methyl-pyridine inokuqulunqwa ngeendlela ezahlukeneyo, enye yazo isetyenziswa ngokuqhelekileyo ngokongeza i-agent ye-methylating (njenge-methyl magnesium bromide) kwi-3-bromopyridine.
Ulwazi ngoKhuseleko:
- I-3-Bromo-5-methyl-pyridine kufuneka isetyenziswe ngokuhambelana neenkqubo ezifanelekileyo zokhuseleko, njengokugqoka izixhobo zokukhusela ezifunekayo kwiilebhu zamachiza.
-Inokubangela ukucaphuka kunye nokulimala kwamehlo, ulusu kunye nenkqubo yokuphefumla. Coca indawo echaphazelekayo ngokukhawuleza kwaye ufune uncedo lwezonyango ukuba kuyimfuneko.
-Xa ugcina kunye nokuphatha, kufuneka ugcinwe kwisitya esivaliweyo, kude nomlilo kunye nokushisa okuphezulu.
-Xa ulahla inkunkuma, thobela imimiselo yendawo kwaye uthathe amanyathelo afanelekileyo okukhusela okusingqongileyo.
