isibhengezo_sekhasi

umkhiqizo

2 4 6-Trifluorobenzoic acid (CAS# 28314-80-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H3F3O2
I-Molar Mass 176.09
Ukuminyana 1.4362 (isilinganiso)
I-Melting Point 142-145 °C (okhanyisiwe)
I-Boling Point 218.2±35.0 °C(Kubikezelwe)
I-Flash Point 25.9°C
Ukuncibilika encibilikayo ku-Methanol
I-Vapor Presure 51.5mmHg ku-25°C
Ukubukeka Ikristalu elimhlophe
Umbala Okumhlophe kuya kokuphuzi Okukhanyayo
I-BRN 1958300
pKa 2.28±0.10(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.383
I-MDL I-MFCD00042398
Izakhiwo Zomzimba Nezamakhemikhali Ikristalu emhlophe enophawu noma impushana ecwebezelayo, ene-trace iron ion iyikristalu ephinki. I-Hygroscopic.
iphoyinti elincibilikayo 198 ℃ (ukubola)
I-soluble emanzini ne-ethanol, encibilika ku-ether, ngokuvamile encibilika kuzincibilikisi ze-polar.

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
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 3
Ikhodi ye-HS 29163990
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2,4,6-Trifluorobenzoic acid iyinhlanganisela yezinto eziphilayo. Okulandelayo ulwazi mayelana nezakhiwo, ukusetshenziswa, izindlela zokulungiselela nokuphepha kwe-2,4,6-trifluorobenzoic acid:

 

Ikhwalithi:

- Ukubukeka: I-2,4,6-trifluorobenzoic acid iyi-crystalline eqinile emhlophe kuya kokuphuzi ngokukhanyayo.

- Ukunyibilika: I-2,4,6-trifluorobenzoic acid iyancibilika kwezinye izinyibilikisi zemvelo njenge-ethanol ne-methyl chloride.

 

Sebenzisa:

- I-Chemical synthesis: I-2,4,6-trifluorobenzoic acid ingasetshenziswa njengendawo ephakathi ku-organic synthesis futhi isebenza njenge-catalyst noma i-reagent kwezinye ukusabela.

- Izibulala-zinambuzane: I-2,4,6-trifluorobenzoic acid ingasetshenziswa ekuhlanganiseni izibulala-zinambuzane ezithile nezibulala-zinambuzane ukulawula izinambuzane nokhula ezitshalweni.

 

Indlela:

I-2,4,6-Trifluorobenzoic acid ingahlanganiswa ngokuthi:

- I-Fluorination: I-Benzoic acid isabela nge-agent e-fluorinating (isb, i-boron trifluoride) ukunikeza i-2,4,6-trifluorobenzoic acid.

- Ukusabela kwe-oxidation: i-2,4,6-trifluorophenylethanol i-oxidized ukuze ithole i-2,4,6-trifluorobenzoic acid.

 

Ulwazi Lokuphepha:

- I-2,4,6-Trifluorobenzoic acid ingase icasule amehlo, isikhumba, nendlela yokuphefumula, futhi ukunakekelwa kufanele kuthathwe ukugwema ukuthintana ngesikhathi sokusetshenziswa.

- Izinto zokuzivikela ezinjengamagilavu ​​okuzivikela kanye nezibuko kufanele zisetshenziswe lapho usebenza.

- I-2,4,6-trifluorobenzoic acid kufanele igcinwe esitsheni esingangeni moya, kude nomlilo nezinto ezivuthayo.

- Uma ichaphaza ngephutha emehlweni noma esikhunjeni sakho, hlambulula ngokushesha ngamanzi amaningi futhi ufune usizo lwezokwelapha.


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