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2 5-dibromo-6-methylpyridine (CAS # 39919-65-8)

Umutungo wa Shimi:

Inzira ya molekulari C6H5Br2N
Misa 250.92
Ubucucike 1.911 ± 0.06 g / cm3 (Biteganijwe)
Ingingo yo gushonga 0 ° C.
Ingingo ya Boling 0 ° C.
Flash point 0 ° C.
Gukemura gushonga muri Methanol
Umwuka 0.0488mmHg kuri 25 ° C.
Kugaragara Icyatsi kibisi gikomeye
Ibara Umweru Kuri Orange Kuri Icyatsi
pKa -0.84 ± 0.10 (Biteganijwe)
Imiterere y'Ububiko munsi ya gaze ya inert (azote cyangwa Argon) kuri 2-8 ° C.
Ironderero 1.593
MDL MFCD06254589

Ibicuruzwa birambuye

Ibicuruzwa

Ibyago n'umutekano

Kode y'ingaruka R20 / 21/22 - Byangiza muguhumeka, guhura nuruhu kandi niba byamizwe.
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
R41 - Ibyago byo kwangirika cyane kumaso
R22 - Byangiza niba byamizwe
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso.
Indangamuntu ya Loni UN 2811 6.1 / PG 3
WGK Ubudage 3
Kode ya HS 29333990
Icyitonderwa Byangiza
Icyiciro cya Hazard IRRITANT
Itsinda ryo gupakira III

2 5-dibromo-6-methylpyridine (CAS #39919-65-8) Intangiriro
2,5-Dibromo-6-methylpyridine ni ifumbire mvaruganda. Ibikurikira nintangiriro kumiterere yabyo, imikoreshereze, uburyo bwo gutegura namakuru yumutekano:

Ibyiza:
Kugaragara: 2,5-Dibromo-6-methylpyridine ni ibara ritagira ibara cyangwa ryoroshye ry'umuhondo.
Gukemura: Irashobora gukemuka mumashanyarazi amwe, nka Ethanol, ether na ester solver.

Imikoreshereze: Irashobora gukoreshwa muri synthesis organique kugirango itangize amatsinda ya methyl cyangwa nka bromination reagent.

Uburyo bwo kwitegura:
Uburyo bwo gutegura 2,5-Dibromo-6-methylpyridine burashobora gukorwa nintambwe zikurikira:
Kuramo 2,6-dimethylpyridine muri alcool, ketone cyangwa ester solvent.
Ongeramo bromine cyangwa bromination reagent kubisubizo bya reaction.
Igisubizo gikozwe mubushyuhe bukwiye, kandi igihe cyo kubyitwaramo ni kirekire.
Nyuma yo kubona ibicuruzwa, birashobora gukururwa no kwezwa hakoreshejwe uburyo bwo kweza cyangwa korohereza ibintu.

Amakuru yumutekano:
2,5-Dibromo-6-methylpyridine ni uburozi kurwego runaka kandi irakaza uruhu n'amaso. Guhuza bitaziguye bigomba kwirindwa. Mugihe cyo gukora, ibikoresho bikwiye byo kurinda bigomba kwambarwa, nka gants na gogles. Igikorwa kigomba gukorerwa ahantu hafite umwuka uhagije kugirango wirinde guhumeka imyuka yangiza. Iyo guta imyanda, bigomba gukemurwa hakurikijwe amabwiriza yaho. Iyo ukoresheje cyangwa ubitse 2,5-dibromo-6-methylpyridine, ugomba kwitondera kwirinda umuriro nubushyuhe bwinshi.


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