nkhani

Asidi ya Trifluoromethanesulfonic (TFMS, TFSA, HOTf kapena TfOH) imagwiritsidwa ntchito m'njira zosiyanasiyana, makamaka chifukwa cha asidi wake wamphamvu, kukhazikika kwa kutentha komanso kukhazikika kwa mankhwala. Izi ndi zomwe zimagwiritsidwa ntchito kwambiri ndi asidi ya trifluoromethanesulfonic:

‌1. Kulowa m'malo mwa ma acid achikhalidwe:
Nthawi zambiri, asidi ya trifluoromethanesulfonic imatha kulowa m'malo mwa ma asidi achilengedwe monga sulfuric acid ndi hydrochloric acid kuti ikwaniritse bwino ndikukonza njira zake. Asidi yake yamphamvu komanso kukhazikika kwake zimapangitsa kuti igwire bwino ntchito zosiyanasiyana zamakemikolo.

‌2. Chothandizira:
Asidi ya Trifluoromethanesulfonic imagwiritsidwa ntchito ngati chothandizira pakuphunzira za momwe esterification imachitikira. Asidi yake yamphamvu imatha kufulumizitsa kuchuluka kwa momwe imachitikira ndikuwonjezera zokolola.
Mu mankhwala ndi mankhwala opangidwa ndi organic, trifluoromethanesulfonic acid imatha kulimbikitsa machitidwe osiyanasiyana ovuta a mankhwala ngati chothandizira.

‌3. Gawo la mankhwala:
Asidi ya Trifluoromethanesulfonic imagwiritsidwa ntchito kwambiri m'munda wamankhwala popanga zinthu zopangira mankhwala monga ma nucleosides, maantibayotiki, ma steroid, ma glycosides ndi mavitamini.
Ingagwiritsidwenso ntchito ngati chothandizira kutenga nawo mbali mu njira yopangira mankhwala kuti iwonjezere kugwira ntchito bwino komanso kuyera kwa mankhwala.

4. Mankhwala ndi magawo ena:
Mu makampani opanga mankhwala, trifluoromethanesulfonic acid ndi zinthu zina zokhudzana nazo monga trifluoromethanesulfonic anhydride ndi trimethylsilyl trifluoromethanesulfonate ndi zachilengedwe ndipo zimakhala ndi mphamvu zolimbikitsa chilengedwe. Amagwiritsidwa ntchito kwambiri m'mafakitale monga silicone, petrochemicals, rabara, zokometsera ndi zonunkhira, komanso mankhwala ophera tizilombo.
Kuphatikiza apo, trifluoromethanesulfonic acid imagwiritsidwanso ntchito popanga ndi kufufuza zinthu zatsopano zamagetsi, monga maselo amafuta a hydrofluoric acid.
Mwachidule, trifluoromethanesulfonic acid imagwiritsidwa ntchito m'njira zosiyanasiyana chifukwa cha mankhwala ake apadera ndipo imadziwika kuti "chida chopangidwa ndi chilengedwe chonse".
Zotsatirazi ndi chidule cha madera akuluakulu ogwiritsira ntchito:
Gawo la mankhwala:
Trifluoromethanesulfonic acid imagwiritsidwa ntchito kwambiri popanga zinthu zopangira mankhwala monga ma nucleosides, maantibayotiki, ma steroid, ma glycosides ndi mavitamini.
Ingagwiritsidwenso ntchito ngati chothandizira kutenga nawo mbali mu njira yopangira mankhwala kuti iwonjezere kugwira ntchito bwino komanso kuyera kwa mankhwala.
Munda wa mankhwala:
Asidi ya Trifluoromethanesulfonic ndi zinthu zina zokhudzana nayo, monga trifluoromethanesulfonic anhydride ndi trimethylsilyl trifluoromethanesulfonate, ndi yoteteza chilengedwe ndipo imakhala ndi mphamvu zolimbikitsa.
Asidi ya Trifluoromethanesulfonic imagwiranso ntchito yofunika kwambiri m'mafakitale monga silicone, petrochemicals, rabara, zokometsera ndi zonunkhira, komanso mankhwala ophera tizilombo.
Gawo la chemistry yamagetsi:
Trifluoromethanesulfonic anhydride (yopangidwa kuchokera ku trifluoromethanesulfonic acid ngati chinthu chachikulu chopangira) ingagwiritsidwe ntchito popanga ma polima oyendetsera magetsi.
Magawo ena:
Pankhani yokhudza mankhwala ophera tizilombo, trifluoromethanesulfonic anhydride ingagwiritsidwe ntchito popanga mankhwala ophera tizilombo.
Mu gawo la mapulasitiki, trifluoromethanesulfonic anhydride ingagwiritsidwe ntchito posintha pulasitiki.
Chifukwa cha asidi yake yamphamvu komanso kukhazikika kwake, asidi ya trifluoromethanesulfonic nthawi zambiri imatha kulowa m'malo mwa ma asidi achilengedwe monga sulfuric acid ndi hydrochloric acid, zomwe nthawi zambiri zimathandiza kukonza ndikuwongolera njira.
Mwachidule, trifluoromethanesulfonic acid imagwira ntchito yofunika kwambiri m'mafakitale ambiri chifukwa cha mankhwala ake apadera komanso ntchito zake zosiyanasiyana.

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Katundu wa Trifluoromethanesulfonic acid
Malo osungunuka -40 °C
Malo otentha 162 °C (lit.)
kachulukidwe 1.696 g/mL pa 25 °C (lit.)
kuchuluka kwa nthunzi 5.2 (poyerekeza ndi mpweya)
kupanikizika kwa nthunzi 8 mm Hg (25 °C)
chizindikiro cha refractive n20/D 1.327(lit.)
RTECS PB2771000
Fp Palibe
Sungani kutentha kosachepera +30°C.
Kusungunuka kwa Miscible mu H2O
pka -14 (pa 25℃)
mawonekedwe a Fuming Phula
Mphamvu Yokoka 1.696
mtundu wofiirira pang'ono
PH <1 (H2O)
Kusungunuka kwa Madzi SULUKITSA
Hygroscopic Yosavuta Kuzindikira
Merck 14,9676
BRN 1812100
Kukhazikika: Kokhazikika. Kosagwirizana ndi ma acid, alkali, ndi zitsulo.
InChIKey ITMCEJHCFYSIIV-UHFFFAOYSA-N
LogP 0.3 pa 25℃

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Nthawi yotumizidwa: Marichi-31-2025