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ibicuruzwa

2 5-Dibromo-4-methylpyridine (CAS # 3430-26-0)

Umutungo wa Shimi:

Inzira ya molekulari C6H5Br2N
Misa 250.92
Ubucucike 1.9318 (igereranya)
Ingingo yo gushonga 37-42 ° C.
Ingingo ya Boling 181.5 ° C (igereranya)
Flash point 112.7 ° C.
Umwuka 0.0174mmHg kuri 25 ° C.
Kugaragara Icunga rito ryo gushonga rikomeye
Ibara Umuhondo wijimye kugeza orange
pKa -0.91 ± 0.18 (Biteganijwe)
Imiterere y'Ububiko Ikirere cyimbere, Ubushyuhe bwicyumba
Ironderero 1.6300 (igereranya)
MDL MFCD00234955

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
R20 / 21/22 - Byangiza muguhumeka, guhura nuruhu kandi niba byamizwe.
R41 - Ibyago byo kwangirika cyane kumaso
R37 / 38 - Kurakaza sisitemu yubuhumekero nuruhu.
R22 - Byangiza niba byamizwe
Ibisobanuro byumutekano S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso.
S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S39 - Kwambara ijisho / kurinda amaso.
WGK Ubudage 3
Kode ya HS 29333999
Icyitonderwa Byangiza
Icyiciro cya Hazard IRRITANT

 

Intangiriro

2,5-Dibromo-4-methylpyridine ni ifumbire mvaruganda. Ibikurikira nintangiriro irambuye kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano yuru ruganda:

 

Ubwiza:

2,5-Dibromo-4-methylpyridine nigikomeye gifite ibara ritagira ibara ryumuhondo. Ifite imbaraga zikomeye kandi zishonga mumashanyarazi menshi. Nibintu bidahungabana bimeneka byoroshye kumurasire yizuba.

 

Koresha:

Uru ruganda rukoreshwa nkibikoresho fatizo na reagent muri synthesis.

 

Uburyo:

2,5-Dibromo-4-methylpyridine itegurwa cyane cyane nigisubizo cya p-toluene na pyridine. P-toluene ifata hamwe na cuprous bromide ikora 2-bromotoluene, hanyuma igakora na pyridine munsi ya catiside ya aside kugirango itange umusaruro wanyuma.

 

Amakuru yumutekano:

2,5-Dibromo-4-methylpyridine igomba kwitabwaho kuko ari uburozi. Ugomba kwitonda kugirango wirinde guhura nuruhu, amaso, hamwe nubuhumekero mugihe cyo kubaga. Ibikoresho bikwiye byo kurinda umuntu nka gants, inkweto zirinda amaso, hamwe na masike yo gukingira bigomba kwambarwa iyo bikoreshejwe muri laboratoire. Iyo bibitswe kandi bigakorwa, bigomba kubikwa kure yaka umuriro hamwe nubumara bwa okiside. Niba ibintu byamizwe cyangwa bihumeka kubwikosa, ugomba kwihutira kwivuza. Iyo guta imyanda, hagomba gukurikizwa amabwiriza y’ibanze kandi imyanda igomba kujugunywa neza kugirango hirindwe ibidukikije.


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