isibhengezo_sekhasi

umkhiqizo

2 6-Dibromo-4-(trifluoromethyl)aniline (CAS# 72678-19-4)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H4Br2F3N
I-Molar Mass 318.92
Ukuminyana 1.9954 (isilinganiso esinzima)
I-Melting Point 34-38°C(lit.)
I-Boling Point 64-65 °C (0.1 mmHg)
I-Flash Point >230°F
Ukuncibilika kwamanzi Ayincibiliki emanzini.
I-BRN 6314196
pKa -1.36±0.10(Kubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, emkhathini ongangeni, izinga lokushisa legumbi
I-Refractive Index 1.4640 (isilinganiso)
I-MDL I-MFCD00068181

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

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 – Gqoka izingubo ezifanele zokuzivikela.
Ama-ID e-UN 2811
I-WGK Germany 3
Ikhodi ye-HS 29214300
Inothi Lengozi Iyacasula
I-Hazard Class 6.1
Iqembu Lokupakisha III

 

Isingeniso

I-4-Amino-3,5-dibromobenzotrifluoride iyinhlanganisela ye-organic enefomula yamakhemikhali C7H4Br2F3N. Okulandelayo yincazelo yemvelo yayo, ukusetshenziswa, ukwakhiwa kanye nolwazi lokuphepha:

 

Imvelo:

-Ukubukeka: Okuqinile okungenambala noma okuphuzi okukhanyayo

-I-Solubility: Incibilika kuzincibilikisi zemvelo njenge-ethanol ne-dimethylformamide

-indawo yokuncibilika: mayelana ne-115-117 ℃

-Indawo yokubilisa: mayelana ne-285 ℃

 

Sebenzisa:

I-4-Amino-3,5-dibromobenzotrifluoride inenani elithile lohlelo lokusebenza futhi ivamise ukusetshenziswa kulezi zici ezilandelayo:

-Njenge-intermediate in organic synthesis, ingasetshenziswa ukulungisa ezinye izinhlanganisela, njengezidakamizwa, izibulala-zinambuzane namadayi.

-Ocwaningweni lwamakhemikhali, lungasetshenziswa njenge-reagent yokusabela kokuvikela.

 

Indlela Yokulungiselela:

I-4-Amino-3,5-dibromobenzotrifluoride ngokuvamile ingalungiswa ngezinyathelo ezilandelayo:

I-1.3,5-dibromobenzoic acid isetshenziswe njengempahla eluhlaza ukuze kulungiswe i-3,5-dibromobenzoic acid ester ngokusabela kwe-acidification.

I-2.3,5-dibromobenzoic acid ester isabela ngenhlanganisela ye-nitrogen ku-decarboxylate ukuze kukhiqizwe i-3,5-dibromobenzene acetyl chloride.

3. sabela i-3,5-dibromobenzotrifluoromethane nge-3,5-dibromobenzotrifluoride ukuze kukhiqizwe i-4-Amino-3,5-dibromobenzotrifluoride.

4. Umkhiqizo ohlanzekile ungatholakala nge-crystallization noma ezinye izindlela zokuhlanza.

 

Ulwazi Lokuphepha:

- I-4-Amino-3,5-dibromobenzotrifluoride idinga ukuthatha izinyathelo zokuphepha ezihambisanayo ngesikhathi sokusebenza nokugcina ukugwema ukuthintana nesikhumba namehlo.

-kanye nokuvimbela ukuhogela noma ukungeniswa.

-Gqoka izinto zokuzivikela ezifanele njengamagilavu ​​amakhemikhali, izibuko nezingubo zokuzivikela ngesikhathi sokusebenzisa.

-Uma kwenzeka ingozi noma ukuthintana ungahlosile, hlambulula ngokushesha ngamanzi futhi ufune usizo lwezempilo.

-Uma uphatha i-compound, sicela ulandele izinqubo zokuphepha.


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