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umkhiqizo

4-(Trifluoromethylthio)benzoic acid (CAS# 330-17-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H5F3O2S
I-Molar Mass 222.18
Ukuminyana 1.50±0.1 g/cm3(Kubikezelwe)
I-Melting Point 159.5-162.5°C(lit.)
I-Boling Point 227.6±40.0 °C(Kubikezelwe)
I-Flash Point 91.4°C
Ukuncibilika I-Soluble ku-Chloroform ne-Dichloromethane
I-Vapor Presure 0.0434mmHg ku-25°C
Ukubukeka powder kuya kukristalu
Umbala Okumhlophe kuya Kucishe kube mhlophe
I-BRN 2693449
pKa 3.76±0.10(Okubikezelwe)
Isimo Sesitoreji Ithempelesha Legumbi
Kuyazwela Ukunuka
I-MDL I-MFCD00040906
Izakhiwo Zomzimba Nezamakhemikhali Okuqukethwe: ≥ 98.0%

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 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 3
Ikhodi ye-HS 29309090
Inothi Lengozi Iyacasula/Iphunga
I-Hazard Class I-IRRITANT

 

Isingeniso

I-4--[(Trifluoromethyl)-mercapto]-benzoic acid, eyaziwa nangokuthi i-4--[(Trifluoromethyl)-mercapto]-benzoic acid, iyinhlanganisela yezinto eziphilayo. Okulandelayo yincazelo yemvelo yayo, ukusetshenziswa, ukwakhiwa kanye nolwazi lokuphepha:

 

Imvelo:

-ifomula yamakhemikhali: C8H5F3O2S

Isisindo samangqamuzana: 238.19g/mol

-Ukubukeka: I-crystalline emhlophe eqinile

-Indawo yokuncibilika: 148-150 ° C

-I-Solubility: Incibilika kuzincibilikisi zemvelo, ezingancibiliki emanzini

 

Sebenzisa:

I-Trifluoromethylthiobenzoic acid isetshenziswa kabanzi ekuhlanganiseni kwe-organic. Ukusetshenziswa okukodwa okujwayelekile kunjengokwenza okuphakathi kweSifundo sama-ligands sokulungiswa kwezakhiwo zensimbi ezinezakhiwo ezithile.

-Ibuye isetshenziswe njengendawo ephakathi emkhakheni wezokwelapha kanye nesibulala-zinambuzane, futhi ibamba iqhaza ezinhlobonhlobo zokusabela kwe-organic synthesis.

 

Indlela:

-I-Trifluoromethylthio benzoic acid ingatholakala ngokuphendula i-benzoic acid ne-trifluoromethanethiol. Ukusabela ngokuvamile kwenziwa ngaphansi kwezimo ze-acidic, futhi ukuqhubeka kokusabela kukhuthazwa ukushisa.

 

Ulwazi Lokuphepha:

-I-Trifluoromethylthiobenzoic acid iyacika esikhumbeni nasemehlweni, ngakho qaphela ukugwema ukuthintana ngqo uma uyisebenzisa.

-Ngesikhathi sokusebenza, izinyathelo ezinhle zokungenisa umoya kufanele zithathwe ukugwema ukuhogela umhwamuko wawo.

-Gqoka izibuko zokuzivikela kanye namagilavu ​​uma usebenzisa ukuvimbela ukucasuka kwesikhumba namehlo ekuthinteni.

-Gwema ukuthintana nama-oxidants kanye nemithombo yokushisa ngesikhathi sokugcina ukuze uvimbele ingozi yomlilo nokuqhuma.

 

Sicela uqaphele ukuthi lesi yisingeniso esiyisisekelo kuphela se-4-[(Trifluoromethyl)-mercapto]-benzoic acid. Lapho usebenzisa futhi uphatha amakhemikhali, qiniseka ukuthi ubhekisele kudatha yedatha ethile yedatha nezinqubo.


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