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3-Bromo-2-methylpyridine (CAS# 38749-79-0)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C6H6BrN
Molar Mass 172.02
Yawan yawa 1.495
Matsayin Boling 76°C/17mm
Wurin Flash 174°F
Tashin Turi 1.27mmHg a 25°C
Bayyanar Ruwa
Launi Bayyananne, mara launi zuwa launin ruwan kasa
pKa 3.59± 0.10 (An annabta)
Yanayin Ajiya Yanayin rashin aiki, Zazzabin ɗaki
Fihirisar Refractive 1.5604
MDL MFCD00191224
Abubuwan Jiki da Sinadarai Yawan: 1.549
Amfani Halin NBS-dibromination wanda aka fara ta peroxide da halayen hydrolysis na gaba za'a iya canza su zuwa pyridine formaldehyde daidai.

Cikakken Bayani

Tags samfurin

Lambobin haɗari R22 - Yana cutarwa idan an haɗiye shi
R37 / 38 - Haushi ga tsarin numfashi da fata.
R41 - Hadarin mummunan lalacewa ga idanu
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36/39 -
S36 - Sanya tufafin kariya masu dacewa.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
WGK Jamus 3
HS Code Farashin 2933990
Matsayin Hazard HAUSHI

 

Gabatarwa

2-methyl-3-bromopyridine wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shiri da bayanan aminci na fili:

 

inganci:

2-Methyl-3-bromopyridine ruwa ne mara launi tare da kamshi mai kama da pyridine.

 

Amfani:

2-Methyl-3-bromopyridine sau da yawa ana amfani dashi azaman reagent da tsaka-tsaki a cikin ƙwayoyin halitta.

 

Hanya:

Gabaɗaya, ana iya samun shirye-shiryen 2-methyl-3-bromopyridine ta hanyar haɓakar haɓakar pyridine. Hanyar haɗin da aka saba amfani da ita ita ce amsa 2-methylpyridine tare da bromine a cikin kwayoyin halitta irin su chloroform, ta yin amfani da sodium hydroxide a matsayin mai kara kuzari.

 

Bayanin Tsaro: Abu ne mai guba wanda zai iya haifar da haushi da lahani ga tsarin numfashi na ɗan adam, fata, da idanu. Dole ne a sa kayan kariya da suka dace kamar safofin hannu na sinadarai, gilashin ido, da tufafin kariya yayin amfani kuma dole ne a guji hulɗar kai tsaye. A lokacin ajiya da sarrafawa, wajibi ne a kula da wuta da haske, da kuma tabbatar da cewa an kiyaye shi daga wuta da kuma zafi. Mafi mahimmanci, bi amintattun hanyoyin aiki don sinadarai kuma bi ƙa'idodin da suka dace.


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