litaba

Asiti ea Trifluoromethanesulfonic (TFMS, TFSA, HOTf kapa TfOH) e na le mefuta e mengata ea tšebeliso, haholo-holo ka lebaka la asiti ea eona e matla, botsitso ba mocheso le botsitso ba lik'hemik'hale. Tse latelang ke tšebeliso e kholo ea asiti ea trifluoromethanesulfonic:

‌1. Ho nkela sebaka li-acid tsa setso tse sa tloaelehang:
Maemong a mangata, asiti ea trifluoromethanesulfonic e ka nkela li-acid tse sa tloaelehang tse tloaelehileng tse kang sulfuric acid le hydrochloric acid sebaka ho ntlafatsa le ho ntlafatsa lits'ebetso. Asiti ea eona e matla le botsitso li etsa hore e sebetse hantle liketsong tse fapaneng tsa lik'hemik'hale.

2. Sehokelo:
Asiti ea Trifluoromethanesulfonic e sebelisoa e le sesebelisoa sa ho thusa ho ithuta ka likarabelo tsa esterification. Asiti ea eona e matla e ka potlakisa sekhahla sa karabelo le ho eketsa chai.
Mafapheng a meriana le k'hemistri ea maiketsetso ea tlhaho, trifluoromethanesulfonic acid e ka khothaletsa mefuta e fapaneng ea lik'hemik'hale tse rarahaneng e le sesebelisoa sa ho baka.

‌3. Tšimo ea meriana:
Asiti ea Trifluoromethanesulfonic e sebelisoa haholo lefapheng la meriana ho hlahisa thepa e tala ea meriana e mahareng e kang li-nucleoside, lithibela-mafu, li-steroid, li-glycoside le livithamine.
E ka boela ea sebelisoa e le sesebelisoa sa ho kenya letsoho ts'ebetsong ea ho kopanya meriana ho ntlafatsa katleho ea ho kopanya le bohloeki ba meriana.

4. Lik'hemik'hale le masimo a mang:
Indastering ea lik'hemik'hale, trifluoromethanesulfonic acid le lihlahisoa tse amanang le eona tse kang trifluoromethanesulfonic anhydride le trimethylsilyl trifluoromethanesulfonate li mosa tikolohong 'me li na le litlamorao tse matla tsa ho baka. Li sebelisoa haholo liindastering tse kang silicone, petrochemicals, rabara, litatso le monko o monate, le chefo e bolaeang likokoanyana.
Ho phaella moo, trifluoromethanesulfonic acid e boetse e sebediswa ho etseng le ho batlisisa thepa e ntjha ya eneji, jwalo ka disele tsa mafura tsa hydrofluoric acid.
Ka bokhutšoanyane, trifluoromethanesulfonic acid e na le mefuta e mengata ea ts'ebeliso masimong a mangata ka lebaka la thepa ea eona e ikhethang ea lik'hemik'hale 'me e tsejoa e le "sesebelisoa sa maiketsetso sa bokahohleng".
Se latelang ke kakaretso ea libaka tsa eona tsa mantlha tsa ts'ebeliso:
Tšimo ea meriana:
Asiti ea Trifluoromethanesulfonic e sebelisoa haholo tlhahisong ea lisebelisoa tse tala tse mahareng tsa meriana tse kang li-nucleoside, lithibela-mafu, li-steroid, li-glycoside le livithamine.
E ka boela ea sebelisoa e le sesebelisoa sa ho kenya letsoho ts'ebetsong ea ho kopanya meriana ho ntlafatsa katleho ea ho kopanya le bohloeki ba meriana.
Tšimo ea lik'hemik'hale:
Asiti ea Trifluoromethanesulfonic le lihlahisoa tse amanang le eona, tse kang trifluoromethanesulfonic anhydride le trimethylsilyl trifluoromethanesulfonate, li mosa tikolohong 'me li na le litlamorao tse matla tsa ho baka.
Asiti ea Trifluoromethanesulfonic le eona e bapala karolo ea bohlokoa liindastering tse kang silicone, lik'hemik'hale tsa peterole, rabara, litatso le monko o monate, le chefo e bolaeang likokoanyana.
Tšimo ea k'hemistri ea elektroniki:
Anhydride ea Trifluoromethanesulfonic (e entsoeng ka trifluoromethanesulfonic acid e le thepa e tala ea mantlha) e ka sebelisoa ho hlahisa li-polymer tse tsamaisang motlakase ka elektroniki.
Libaka tse ling:
Lefapheng la chefo e bolaeang likokoanyana, trifluoromethanesulfonic anhydride e ka sebelisoa ho hlahisa chefo e bolaeang likokoanyana.
Lefapheng la polasetiki, trifluoromethanesulfonic anhydride e ka sebediswa bakeng sa phetoho ya polasetiki.
Ka lebaka la asiti le botsitso ba eona bo matla, asiti ea trifluoromethanesulfonic e ka nkela li-acid tse tloaelehileng tse sa tloaelehang tse kang sulfuric acid le hydrochloric acid sebaka makhetlong a mangata, e bapala karolo ho ntlafatseng le ho ntlafatseng lits'ebetso.
Ka bokhutšoanyane, trifluoromethanesulfonic acid e bapala karolo ea bohlokoa liindastering tse ngata ka lebaka la litšobotsi tsa eona tse ikhethang tsa lik'hemik'hale le mefuta e mengata ea ts'ebeliso.

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Thepa ea Lik'hemik'hale ea Trifluoromethanesulfonic acid
Sebaka sa ho qhibiliha -40 °C
Boemo ba ho belisa 162 °C (ho bonesa)
bongata ba 1.696 g/mL ho 25 °C (hanyane)
Boima ba mouoane 5.2 (khahlanong le moea)
khatello ea mouoane 8 mm Hg (25 °C)
index ea refractive n20/D 1.327(lit.)
RTECS PB2771000
Fp Ha ho letho
mocheso oa polokelo. Boloka ka tlase ho +30°C.
ho qhibiliha ha metsi ho ka kopanngoa ho H2O
pka -14(ho 25℃)
foromo ea Mokelikeli o Futhumatsang
Matla a khoheli a itseng 1.696
'mala o sootho hanyane
PH <1 (H2O)
Ho qhibiliha ha Metsi HO THAROLLOA
Hygroscopic e bonolo
Merck 14,9676
BRN 1812100
Botsitso: Bo tsitsitse. Ha bo lumellane le li-acid, alkali, litšepe.
InChIKey ITMCEJHCFYSIIV-UHFFFAOYSA-N
LogP 0.3 ho 25℃

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Nako ea poso: Hlakubele-31-2025