isibhengezo_sekhasi

umkhiqizo

2-Amino-3 5-dibromo-4-methylpyridine (CAS# 3430-29-3)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H6Br2N2
I-Molar Mass 265.93
Ukuminyana 1.99g/cm3
I-Boling Point 276.5°C ku-760 mmHg
I-Flash Point 121°C
I-Vapor Presure 0.00479mmHg ku-25°C
Isimo Sesitoreji Gcina endaweni emnyama, emkhathini ongangeni, izinga lokushisa legumbi
I-Refractive Index 1.651

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma ukugwinyile.
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2-Amino-3,5-dibromo-4-methylpyridine iyinhlanganisela yezinto eziphilayo.

 

Ikhwalithi:

Ukubukeka: Okuqinile kwekristalu emhlophe.

Ukunyibilika: kuncibilika kuzincibilikisi eziphilayo njenge-chloroform, i-ethanol ne-ether, engancibiliki emanzini.

 

Sebenzisa:

I-2-Amino-3,5-dibromo-4-methylpyridine ivame ukusetshenziswa njengento yokuqala noma i-reagent ye-organic synthesis kuma-laboratories amakhemikhali. Ingasetshenziswa ekuhlanganiseni kwe-pyridine derivatives, imidazole compounds, i-pyridine imidazole compounds, njll.

 

Indlela:

I-2-Amino-3,5-dibromo-4-methylpyridine ingahlanganiswa ngezinyathelo ezilandelayo:

I-3,5-dibromopyridine ne-methylpyruvate zisabela ngaphansi kwezimo ze-alkali ukuze zenze i-2-bromo-3,5-dimethylpyridine.

I-2-Bromo-3,5-dimethylpyridine isabela nge-ammonia ku-chloroform ukukhiqiza i-2-amino-3,5-dimethylpyridine.

I-2-amino-3,5-dimethylpyridine isabela nge-hydrogen bromide ukuze yakhe i-2-amino-3,5-dibromo-4-methylpyridine.

 

Ulwazi Lokuphepha:

Lapho uphatha i-2-amino-3,5-dibromo-4-methylpyridine, lezi zinyathelo zokuphepha ezilandelayo kufanele ziqashelwe:

Gwema ukuhogela, ukuthinta isikhumba, nokugwinya. Kufanele kugqokwe amagilavu ​​okuzivikela, izibuko zokuphepha kanye nemaski okuzivikela.

Kufanele isetshenziswe endaweni enomoya omuhle ukugwema ukuhogela umhwamuko wayo.

Kufanele igcinwe kude nomlilo, ukushisa kanye nama-oxidants.

Kuvinjelwe ngokuphelele ukuxuba nama-oxidants aqinile, ama-ejenti anciphisayo nama-acids aqinile.

Kufanele igcinwe endaweni eyomile, epholile, nengena umoya, kude nomlilo nemithombo yokushisa.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona