isibhengezo_sekhasi

umkhiqizo

4-Fluoro-2-nitrotoluene (CAS# 446-10-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H6FNO2
I-Molar Mass 155.13
Ukuminyana 1.26
I-Melting Point 27°C(lit.)
I-Boling Point 138-139°C83mm Hg(lit.)
I-Flash Point 210°F
I-Vapor Presure 0.23mmHg ku-25°C
Ukubukeka Uketshezi
I-Gravity ethize 1.260
Umbala Okuphuzi okucacile kuya ku-amber
I-BRN 1946051
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index n20/D 1.522(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olunamafutha aphuzi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
S37 – Gqoka amagilavu ​​afanelekile.
I-S28A -
Ama-ID e-UN I-UN2811
I-WGK Germany 2
Ikhodi ye-HS 29049090
Inothi Lengozi Iyacasula
I-Hazard Class 6.1
Iqembu Lokupakisha III

 

Isingeniso

 

Ikhwalithi:

I-4-Fluoro-2-nitrotoluene iyimpushana ecwebezelayo engenambala ukuya kokuphuzi eqinile kuzinga lokushisa legumbi. Inephunga elinamandla futhi ayincibiliki emanzini, kodwa incibilika kalula kuzincibilikisi zemvelo njenge-ethanol nama-ketones.

 

Sebenzisa:

 

Indlela:

Indlela yokulungiselela i-4-fluoro-2-nitrotoluene ingatholakala ngokufakwa kwe-fluorination ye-p-nitrotoluene. Ngokukhethekile, i-hydrogen fluoride noma i-sodium fluoride ingasetshenziswa ukuphendula ne-nitrotoluene kuzinyibilikisi zemvelo noma izinhlelo zokusabela kanye namazinga okushisa afanele nezingcindezi.

 

Ulwazi Lokuphepha:

Kunezinyathelo ezithile zokuphepha okufanele zilandelwe uma usebenzisa i-4-fluoro-2-nitrotoluene. Kuyinhlanganisela yemvelo enobuthi ethize futhi iyacasula. Ukuhogela amagesi ayo noma uthuli kufanele kugwenywe ngesikhathi sokusebenza futhi kuqinisekiswe izimo ezinhle zokungenisa umoya. Hlanza ngokushesha ngemva kokuthinta isikhumba noma amehlo ngamanzi amaningi futhi ufune iseluleko sezokwelapha. Lapho ugcina futhi uthutha, ukuthintana nezinto ezivuthayo kufanele kugwenywe, futhi iziqukathi kufanele zigcinwe zivalwe ngokuqinile kude nomlilo nemithombo yokushisa.

 


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona