isibhengezo_sekhasi

umkhiqizo

3-Bromo-4-methylpyridine (CAS# 3430-22-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H6BrN
I-Molar Mass 172.02
Ukuminyana 1.549g/mLat 25°C(lit.)
I-Boling Point 199-200°C(lit.)
I-Flash Point 175°F
Ukuncibilika I-Chloroform, iMethanol
Ukubukeka Uketshezi
I-Gravity ethize 1.549
Umbala Kucace kungenambala ukuya kokuphuzi
I-BRN 878354
pKa 3.54±0.18(Okubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, izinga lokushisa legumbi
I-Refractive Index n20/D 1.56(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olukhanyayo olungenambala

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma ukugwinyile.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-S2636 -
Ama-ID e-UN Kuphole, komile, kuvalwe kahle
I-WGK Germany 3
Ikhodi ye-HS 29339900
I-Hazard Class I-IRRITANT
Iqembu Lokupakisha III

 

Isingeniso

I-Bromoethylpyridine iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-bromoethylpyridine:

 

Ikhwalithi:

I-Bromoethylpyridine iwuketshezi olungenambala ukuya kokuphuzi olunokunambitheka okunephunga elimnandi kwe-amine okufana ne-aminophenol. Inoncibilika kahle futhi iyancibilika kuma-alcohol, ama-ether nezincibilikisi ze-ester.

 

Sebenzisa:

I-Bromoethylpyridine isetshenziswa kakhulu njenge-reagent futhi imaphakathi ku-organic synthesis. I-Bromoethylpyridine ingasetshenziswa futhi njenge-surfactant, i-pyrotechnic fluorescent substance, njll.

 

Indlela:

I-Bromoethylpyridine ngokuvamile ihlanganiswa ukusabela kwe-ethyl bromide ne-pyridine ngaphansi kwezimo ze-alkali. Ekuphenduleni, i-athomu ye-bromine ku-ethyl bromide ithatha indawo ye-athomu ye-hydrogen ku-molecule ye-pyridine ukuze yakhe i-ethylpyridine bromide.

 

Ulwazi Lokuphepha:

Izinyathelo zokuphepha ezilandelayo kufanele zithathwe lapho usebenzisa i-bromoethylpyridine:

Gqoka izibuko zokuzivikela namagilavu ​​lapho wenza umsebenzi, futhi ugweme ukuthinta isikhumba namehlo.

Sebenza endaweni enomoya omuhle futhi ugweme ukuhogela amagesi noma umhwamuko.

Lapho ugcina, kufanele ugcinwe kude nomlilo nemithombo yokushisa, futhi kude nokukhanya kwelanga okuqondile.

I-Bromoethylpyridine iyacasula futhi izinqubo ezifanele zokusebenza zokuphepha kufanele zilandelwe ngokuqinile.

Uma usebenzisa noma uphatha i-bromoethylpyridine, kubalulekile ukulandela izinqubo zokusebenza eziphephile zaselabhorethri futhi wenze ukuhlolwa kokuphepha komuntu ngamunye ngakunye.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona