2 5-dibromo-6-methylpyridine (CAS# 39919-65-8)
Ngozi uye Kuchengeteka
| Risk Codes | R20/21/22 – Zvinokuvadza nekufema, kubata ganda uye kana ikamedzwa. R36/37/38 - Kushungurudza maziso, kufema system uye ganda. R41 - Njodzi yekukuvara kwakakomba kwemaziso R22 – Zvinokuvadza kana ikamedzwa |
| Tsanangudzo Yekuchengetedza | S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa. S36/37/39 - Pfeka zvipfeko zvekudzivirira zvakakodzera, magurovhosi uye kudzivirira kweziso/chiso. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Note | Zvinokuvadza |
| Hazard Kirasi | IRRITANT |
| Packing Group | III |
2 5-dibromo-6-methylpyridine (CAS#39919-65-8) Nhanganyaya
2,5-Dibromo-6-methylpyridine is an organic compound. Iyi inotevera sumo yezvivakwa zvayo, kushandiswa, nzira dzekugadzirira uye ruzivo rwekuchengetedza:
Properties:
Kuonekwa: 2,5-Dibromo-6-methylpyridine isina ruvara kana chiedza chero yakasimba.
Solubility: Inonyungudika mune zvimwe organic solvents, senge ethanol, ether uye ester solvents.
Zvishandiso: Inogona kushandiswa mune organic synthesis kuunza methyl mapoka kana sebromination reagent.
Kugadzirira nzira:
Iyo nzira yekugadzirira ye2,5-Dibromo-6-methylpyridine inogona kuitwa nematanho anotevera:
Dissolve 2,6-dimethylpyridine mudoro, ketone kana ester solvent.
Wedzera bromine kana bromination reagent kune mhinduro mhinduro.
Kuita kunoitwa pane tembiricha yakakodzera, uye nguva yekuita inowanzoreba.
Mushure mekuwana chigadzirwa, chinogona kubviswa uye kucheneswa ne distillation kana crystallization yekuchenesa nzira.
Mashoko ekuchengetedza:
2,5-Dibromo-6-methylpyridine ine chepfu kune imwe nhanho uye inoshatisa ganda nemaziso. Kusangana kwakananga kunofanira kudziviswa. Panguva yekushanda, midziyo yekudzivirira yakakodzera inofanirwa kupfekwa, senge magirovhosi nemagirazi. Kushanda kunofanira kuitwa munzvimbo ine mhepo inofefetera zvakanaka kudzivirira inhalation yemagasi anokuvadza. Pakurasa tsvina, inofanira kubatwa maererano nemitemo yenzvimbo. Paunenge uchishandisa kana kuchengetedza 2,5-dibromo-6-methylpyridine, kutarisirwa kunofanira kutorwa kudzivirira moto uye kupisa kwakanyanya.
