isibhengezo_sekhasi

umkhiqizo

2 4-Difluorophenylacetic acid (CAS# 81228-09-3)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H6F2O2
I-Molar Mass 172.13
Ukuminyana 1.3010 (isilinganiso)
I-Melting Point 115-118 °C (okhanyisiwe)
I-Boling Point 219°C (isilinganiso esinzima)
I-Flash Point 109.4°C
I-Vapor Presure 0.00757mmHg ku-25°C
Ukubukeka Impushana emhlophe
Umbala Emhlophe
I-BRN 3649727
pKa 3.98±0.10(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.508
I-MDL I-MFCD00009999
Izakhiwo Zomzimba Nezamakhemikhali Impushana emhlophe. Indawo Encibilikayo: 117 °c -119 °c.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
I-WGK Germany 3
Ikhodi ye-HS 29163990
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2,4-Difluorophenylacetic acid iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-2,4-difluorophenylacetic acid:

 

Ikhwalithi:

- 2,4-Difluorophenylacetic acid iyi-crystalline eqinile engenambala ukuya kokuphuzi enephunga elimnandi elingavamile.

- Ayiguquguquki ezingeni lokushisa lasekamelweni futhi incibilika kuzincibilikisi eziphilayo njenge-ethanol, i-acetone, i-ether, njll.

- Kuyi-asidi ebuthakathaka engancibilika kuma-alkali.

 

Sebenzisa:

- Ingasetshenziswa futhi njengendawo ephakathi kodayi kanye nezingubo zokuhlanganiswa kodayi kanye nezingubo zemibala ethile noma izakhiwo.

 

Indlela:

- 2,4-Difluorophenylacetic acid ingatholwa ngokusabela kwe-phenylacetic acid nge-hydrogen fluoride noma igesi ye-fluorine. Izimo zokusabela ngokuvamile zidinga i-catalyst kanye nokulawula izinga lokushisa okufanele.

 

Ulwazi Lokuphepha:

- 2,4-Difluorophenylacetic acid ikhemikhali okufanele isetshenziswe ngokuphepha.

- Lapho ubamba, gwema ukuthintana ngqo nesikhumba namehlo, futhi unakekele ukuvikela umgudu wokuphefumula.

- Uma uyigcina, kufanele igcinwe esitsheni esingangenisi umoya, kude nemithombo yomlilo nama-oxidants, futhi ugweme ukuthintana nomoya kanye nomswakama.

- Imfucuza kufanele ilahlwe ngokuhambisana nemithetho nemigomo yendawo yendawo, futhi akufanele ilahlwe ngokungakhethi.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona