isibhengezo_sekhasi

umkhiqizo

2-Bromo-5-fluorobenzoic acid (CAS# 394-28-5)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H4BrFO2
I-Molar Mass 219.01
Ukuminyana 1.789±0.06 g/cm3(Kubikezelwe)
I-Melting Point 154-157 °C (okhanyisiwe)
I-Boling Point 291.1±25.0 °C(Kubikezelwe)
I-Flash Point 129.8°C
Ukuncibilika encibilikayo ku-Methanol
I-Vapor Presure 0.000915mmHg ku-25°C
Ukubukeka Amakristalu amhlophe kuya kokuphuzi
Umbala Okumhlophe kuya Kucishe kube mhlophe
I-BRN 2575978
pKa 2.51±0.10(Kubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-MDL I-MFCD00142874

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.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
I-WGK Germany 3
Ikhodi ye-HS 29163990
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2-Bromo-5-fluorobenzoic acid iyinhlanganisela yezinto eziphilayo. Kuyikristalu emhlophe eqinile encibilika kuzincibilikisi eziphilayo ezifana notshwala, ama-ether, nama-ester ekamelweni lokushisa.

 

Ukusetshenziswa kwe-2-bromo-5-fluorobenzoic acid, evame ukusetshenziswa njengendawo ephakathi ku-organic synthesis, kunezinhlelo zokusebenza ezithile emikhakheni yemithi kanye nezibulala-zinambuzane. Ingasetshenziselwa ukuhlanganisa izinhlanganisela ezihlukahlukene zezinto eziphilayo, njengama-ketone anephunga elimnandi, ama-ester, nama-amino acid. Ingasetshenziswa futhi njengezinto eziphilayo ezikhipha ukukhanya kanye nezinto eziwuketshezi zekristalu ezibukweni zekristalu eliwuketshezi.

 

Kunezindlela eziningana zokulungiselela i-2-bromo-5-fluorobenzoic acid. Indlela evamile iwukusabela i-p-bromobenzoic acid ne-boron pentafluoride ukuze uthole umkhiqizo oqondiwe. Ukusabela ngokuvamile kwenziwa endaweni engasebenzi futhi kulawulwa izinga lokushisa nesikhathi sokuphendula.

 

Ulwazi lokuphepha lwe-2-bromo-5-fluorobenzoic acid: Ingxube yemvelo enobungozi obuthile. Ukuthinta isikhumba, amehlo, noma ukuhogela umhwamuko kungabangela ukucasuka. Izinyathelo ezifanele kufanele zithathwe ngesikhathi sokuphatha nokusebenzisa, njengokugqoka amagilavu ​​okuvikela amakhemikhali, izibuko, nezinto zokuvikela ukuphefumula. Ukuthintana nama-oxidizing agents aqinile nama-asidi aqinile kufanele kugwenywe ukuze kugwenywe ukusabela kwamakhemikhali. Ngesikhathi sokugcina nokuthutha, izinga lokushisa eliphezulu kanye namalangabi avulekile kufanele kugwenywe.

 


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona