ngā purongo

He whānuitia ngā whakamahinga o te waikawa Trifluoromethanesulfonic (TFMS, TFSA, HOTf, TfOH rānei), nā te kaha o te waikawa, te pumau o te wera me te pumau o ngā matū. Ko ngā whakamahinga matua o te waikawa trifluoromethanesulfonic e whai ake nei:

1. Te whakakapinga o ngā waikawa inorganic tuku iho:
I ngā wā maha, ka taea e te waikawa trifluoromethanesulfonic te whakakapi i ngā waikawa inorganic tuku iho pērā i te waikawa whanariki me te waikawa hauwaiora hei arotau me te whakapai ake i ngā tukanga. Nā tōna waikawa kaha me tōna pumau ka pai ai tana mahi i roto i ngā momo tauhohenga matū.

2. Kaiwhakaoho:
Ka whakamahia te waikawa Trifluoromethanesulfonic hei whakakorikori i roto i te rangahau i ngā tauhohenga esterification. Ka taea e tōna waikawa kaha te whakatere i te tere o te tauhohenga me te whakanui ake i te hua.
I roto i ngā mara o ngā rongoā me te matū hanga waro, ka taea e te waikawa trifluoromethanesulfonic te whakatairanga i ngā momo tauhohenga matū matatini hei whakakorikori.

‌3. Mara rongoā:
E whakamahia whānuitia ana te waikawa Trifluoromethanesulfonic i roto i te mara rongoā hei whakaputa i ngā rauemi mata takawaenga rongoā pērā i ngā nucleosides, ngā paturopi, ngā steroids, ngā glycosides me ngā huaora.
Ka taea hoki te whakamahi hei whakakorikori hei whai wāhi ki te tukanga hanga rongoā hei whakapai ake i te whai huatanga me te parakore o te hanga rongoā.

4. Matū me ētahi atu mara:
I roto i te umanga matū, he pai te waikawa trifluoromethanesulfonic me ōna hua e pā ana pērā i te trifluoromethanesulfonic anhydride me te trimethylsilyl trifluoromethanesulfonate ki te taiao, ā, he kaha hoki ngā pānga whakaterenga. He whānuitia te whakamahinga i roto i ngā umanga pērā i te silicone, ngā matū hinu, te rapa, ngā kakara me ngā mea kakara, me ngā patu pepeke.
Hei tāpiritanga, ka whakamahia hoki te waikawa trifluoromethanesulfonic i roto i te hanganga me te rangahau i ngā rauemi pūngao hou, pērā i ngā pūtau wahie waikawa hydrofluoric.
Hei whakarāpopototanga, he whānuitia ngā whakamahinga o te waikawa trifluoromethanesulfonic i roto i ngā mara maha nā ōna āhuatanga matū ahurei, ā, e mōhiotia ana ko te "taputapu hanga whānui".
Anei tētahi tirohanga whānui mō ōna wāhanga matua o te tono:
Mara rongoā:
E whakamahia whānuitia ana te waikawa Trifluoromethanesulfonic i roto i te hanga rauemi mata takawaenga rongoā pērā i ngā nucleosides, ngā paturopi, ngā steroids, ngā glycosides me ngā huaora.
Ka taea hoki te whakamahi hei whakakorikori hei whai wāhi ki te tukanga hanga rongoā hei whakapai ake i te whai huatanga me te parakore o te hanga rongoā.
Mara matū:
He pai ki te taiao te waikawa Trifluoromethanesulfonic me ōna hua e pā ana, pērā i te trifluoromethanesulfonic anhydride me te trimethylsilyl trifluoromethanesulfonate, ā, he kaha hoki ngā pānga whakaterenga.
He mea nui anō hoki te waikawa Trifluoromethanesulfonic i roto i ngā ahumahi pēnei i te silicone, ngā matū hinu, te rapa, ngā whakakakara me ngā kakara, me ngā patupatu.
‌Marau matū hiko:
Ka taea te whakamahi i te Trifluoromethanesulfonic anhydride (i hangaia mai i te waikawa trifluoromethanesulfonic hei rauemi mata matua) hei whakaputa i ngā pūmua kawe hiko.
Ngā mara kē atu:
I roto i te mara o ngā patupatu, ka taea te whakamahi i te trifluoromethanesulfonic anhydride hei hanga i ngā patupatu.
I roto i te mara o ngā kirihou, ka taea te whakamahi i te trifluoromethanesulfonic anhydride mō te whakarerekētanga kirihou.
Nā te kaha o te waikawa me te pumau, ka taea e te waikawa trifluoromethanesulfonic te whakakapi i ngā waikawa inorganic tuku iho pērā i te waikawa whanariki me te waikawa hauwaiora i ngā wā maha, ā, ka whai wāhi nui ki te arotau me te whakapai ake i ngā tukanga.
Hei whakarāpopototanga, he mea nui te waikawa trifluoromethanesulfonic i roto i te maha o ngā ahumahi nā ōna āhuatanga matū ahurei me te whānuitanga o ngā tono.

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Ngā Āhuatanga Matū o te Waikawa Trifluoromethanesulfonic
Te ira rewa -40 °C
Te pūmahana koropupū 162 °C (iritihia)
kiato 1.696 g/mL i te 25 °C (iritihia)
te mātotoru o te kohu 5.2 (vs te hau)
te pēhanga kohu 8 mm Hg (25 °C)
taupū whakaata n20/D 1.327(lit.)
RTECS PB2771000
Kāore he Fp
pāmahana rokiroki. Penapenahia i raro i te +30°C.
te wairewatanga Ka taea te whakaranu i roto i te H 2 O
pka -14 (i te 25℃)
te Wai Auaha
Taumaha Motuhake 1.696
tae parauri paku
PH <1 (H2O)
Wairewatanga Wairewatanga
Ārai-waikawa
Merck 14,9676
BRN 1812100
Pūmautanga: Pūmau. Kāore e hototahi ki ngā waikawa, ngā kawakore, ngā konganuku.
InChIKey ITMCEJHCFYSIIV-UHFFFAOYSA-N
LogP 0.3 i te 25℃

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Wā tuku: Mei-27-2025