isibhengezo_sekhasi

umkhiqizo

2-Amino-5-nitro-4-picoline (CAS# 21901-40-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H7N3O2
I-Molar Mass 153.14
Ukuminyana 1.3682 (isilinganiso esinzima)
I-Melting Point 223-225 °C (okhanyisiwe)
I-Boling Point 276.04°C (isilinganiso esinzima)
I-Flash Point 166.6°C
Ukuncibilika I-Soluble ku-DMSO.
I-Vapor Presure 3.99E-05mmHg ku-25°C
Ukubukeka I-Crystallization
Umbala Okuwolintshi kuya kokuphuzi-nsundu
I-BRN 137695
pKa 3.44±0.24(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, emkhathini ongangeni, izinga lokushisa legumbi
I-Refractive Index 1.6500 (isilinganiso)
I-MDL I-MFCD00010692
Izakhiwo Zomzimba Nezamakhemikhali Iphuzu lokuncibilika lingu-220-225°C

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.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S22 - Ungaphefumuli uthuli.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 3
Ikhodi ye-HS 29333999
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2-Amino-4-methyl-5-nitropyridine iyinhlanganisela yemvelo enezici ezilandelayo:

 

Ukubukeka: I-2-amino-4-methyl-5-nitropyridine iyikristale ephuzi eqinile.

 

Ukunyibilika: Incibilika kancane emanzini futhi inokuncibilika okuphezulu kuzincibilikisi zemvelo.

 

Indlela yokulungiselela: I-2-amino-4-methyl-5-nitropyridine ingatholwa nge-nitrification ye-methylpyridine, bese inciphisa ukusabela.

 

Isicelo: I-2-amino-4-methyl-5-nitropyridine ingasetshenziswa njengento eluhlaza ku-organic synthesis.

 

Ulwazi Lokuphepha: I-2-Amino-4-methyl-5-nitropyridine inobuthi obuphansi ngaphansi kwezimo ezijwayelekile zokusebenza, kodwa izinyathelo ezifanele zokuphepha zisadingeka. Izinto zokuzivikela kufanele zisetshenziswe uma usebenzisa futhi ukuthintana ngqo nesikhumba namehlo kufanele kugwenywe. Gwema ukuhogela uthuli noma amagesi. Kufanele igcinwe esitsheni esingangenisi umoya futhi igcinwe endaweni epholile neyomile. Uma ingaphathwa ngendlela efanele, ingabangela ukulimala endaweni ezungezile.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona