I-Trifluoromethanesulfonic acid (TFMS, TFSA, HOTf okanye TfOH) inoluhlu olubanzi lokusetyenziswa, ikakhulu ngenxa ye-asidi yayo enamandla, uzinzo lobushushu kunye nozinzo lweekhemikhali. Nazi iindlela eziphambili zokusetyenziswa kwe-trifluoromethanesulfonic acid:
1. Ukutshintshwa kwee-asidi zemveli ezingaphiliyo:
Kwiimeko ezininzi, i-trifluoromethanesulfonic acid ingathatha indawo ye-inorganic acids zemveli ezifana ne-sulfuric acid kunye ne-hydrochloric acid ukuze iphucule kwaye iphucule iinkqubo. I-acidity yayo enamandla kunye nozinzo kwenza ukuba isebenze kakuhle kwiindlela ezahlukeneyo zeekhemikhali.
2. Isikhanyisi:
I-Trifluoromethanesulfonic acid isetyenziswa njengesixhobo sokunceda ekufundweni kweempendulo ze-esterification. I-asidi yayo enamandla inokukhawulezisa izinga lokuphendula kwaye inyuse isivuno.
Kwimiba yamayeza kunye nekhemistri yokwenziwa kwezinto eziphilayo, i-trifluoromethanesulfonic acid inokukhuthaza iintlobo ngeentlobo zeempendulo zeekhemikhali ezintsonkothileyo njenge-catalyst.
3. Intsimi yamayeza:
I-Trifluoromethanesulfonic acid isetyenziswa kakhulu kwicandelo lezemithi ukuvelisa izinto ezisetyenziswa ngamayeza aphakathi ezifana nee-nucleosides, ii-antibiotics, ii-steroids, ii-glycosides kunye neevithamini.
Ingasetyenziswa njengesixhobo sokuncedisa ekuthatheni inxaxheba kwinkqubo yokwenziwa kwamayeza ukuphucula ukusebenza kakuhle kokwenziwa kwamayeza kunye nobunyulu bawo.
4. Iikhemikhali kunye nezinye iindawo:
Kwishishini leekhemikhali, i-trifluoromethanesulfonic acid kunye neemveliso ezinxulumene nayo ezifana ne-trifluoromethanesulfonic anhydride kunye ne-trimethylsilyl trifluoromethanesulfonate zinobuhlobo nokusingqongileyo kwaye zinefuthe elinamandla lokutsala. Zisetyenziswa kakhulu kumashishini afana ne-silicone, ii-petrochemicals, irabha, iincasa kunye neziqholo, kunye nezibulali-zinambuzane.
Ukongeza, i-trifluoromethanesulfonic acid ikwasetyenziswa ekuhlanganiseni nasekuphandeni izinto ezintsha zamandla, ezifana neeseli zamafutha ze-hydrofluoric acid.
Ngamafutshane, i-trifluoromethanesulfonic acid ineendlela ezahlukeneyo zokusetyenziswa kwiindawo ezininzi ngenxa yeempawu zayo ezikhethekileyo zeekhemikhali kwaye yaziwa ngokuba "sisixhobo sokwenziwa sendalo yonke".
Oku kulandelayo sisishwankathelo seendawo eziphambili zesicelo sayo:
Intsimi yamayeza:
I-Trifluoromethanesulfonic acid isetyenziswa kakhulu ekuveliseni izinto ezisetyenziswa ngamayeza aphakathi ezifana nee-nucleosides, ii-antibiotics, ii-steroids, ii-glycosides kunye neevithamini.
Ingasetyenziswa njengesixhobo sokuncedisa ekuthatheni inxaxheba kwinkqubo yokwenziwa kwamayeza ukuphucula ukusebenza kakuhle kokwenziwa kwamayeza kunye nobunyulu bawo.
Intsimi yeekhemikhali:
I-Trifluoromethanesulfonic acid kunye neemveliso zayo ezinxulumene nayo, ezifana ne-trifluoromethanesulfonic anhydride kunye ne-trimethylsilyl trifluoromethanesulfonate, zinobuhlobo nokusingqongileyo kwaye zinefuthe elinamandla lokutsala amandla.
I-Trifluoromethanesulfonic acid ikwadlala indima ebalulekileyo kumashishini afana ne-silicone, ii-petrochemicals, irabha, iincasa kunye neziqholo, kunye nezibulali zinambuzane.
Intsimi yekhemistri ye-elektroniki:
I-anhydride ye-Trifluoromethanesulfonic (eyenziwe nge-trifluoromethanesulfonic acid njengezinto eziphambili ezikrwada) ingasetyenziselwa ukuvelisa ii-polymers eziqhuba nge-elektroniki.
Ezinye iindawo:
Kwintsimi yezibulali-zinambuzane, i-trifluoromethanesulfonic anhydride ingasetyenziselwa ukwenza izibulali-zinambuzane.
Kwicandelo leeplastiki, i-trifluoromethanesulfonic anhydride ingasetyenziselwa ukuguqulwa kweplastiki.
Ngenxa ye-asidi yayo enamandla kunye nozinzo, i-trifluoromethanesulfonic acid ingathatha indawo ye-inorganic acids zemveli ezifana ne-sulfuric acid kunye ne-hydrochloric acid kwiimeko ezininzi, idlala indima ekwenzeni ngcono nasekuphuculeni iinkqubo.
Ngamafutshane, i-trifluoromethanesulfonic acid idlala indima ebalulekileyo kumashishini amaninzi ngenxa yeempawu zayo ezikhethekileyo zeekhemikhali kunye noluhlu olubanzi lwezicelo.
Iipropati zeekhemikhali ze-Trifluoromethanesulfonic acid
Iqondo lokunyibilika -40 °C
Iqondo lokubila 162 °C (elikhanyayo)
uxinano yi-1.696 g/mL kwi-25 °C (elithayo)
uxinano lomphunga 5.2 (xa kuthelekiswa nomoya)
uxinzelelo lomphunga 8 mm Hg (25 °C)
isalathisi sokuchasana n20/D 1.327(lit.)
I-RTECS PB2771000
Akukho nto
ubushushu bokugcina. Gcina ngaphantsi kwe +30°C.
ukunyibilika Ixutywa kwi- H2O
i-pka -14(kwi-25℃)
ifomu yolwelo oluqhumayo
Ubunzima obuthile 1.696
umbala omdaka kancinci
I-PH <1 (H2O)
Ukunyibilika Kwamanzi IYANYIBILIKA
I-Hygroscopic Enovakalelo
I-Merck 14,9676
I-BRN 1812100
Uzinzo: Izinzile. Ayihambelani nee-asidi, ii-alkali, iimetali.
I-InChIKey ITMCEJHCFYSIIV-UHFFFAOYSA-N
I-LogP 0.3 kwi-25℃
Iinkcukacha zoqhakamshelwano
Ixesha leposi: Matshi-31-2025






