Triflorometansülfonik angidrid CAS 358-23-6 Tahlil >99,0% (T)
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Kimyoviy nomi | Triflorometansülfonik angidrid |
Sinonimlar | triflik angidrid;Triflorometansülfonik kislota angidridi;triflorometansülfonik angidrid;Tf2O |
CAS raqami | 358-23-6 |
CAT raqami | RF-PI2093 |
Birja holati | Stokda, ishlab chiqarish quvvati yiliga 600MT |
Molekulyar formula | C2F6O5S2 |
Molekulyar og'irlik | 282.14 |
Erish nuqtasi | -80℃ |
Qaynash nuqtasi | 81,0 ~ 83,0 ℃ (lit.) |
Sezuvchanlik | Namlikka sezgir, issiqlikka sezgir, gigroskopik |
Eruvchanlik | Dixlorometan bilan aralashadi.Uglevodorodlar bilan aralashmaydi |
Suvda eruvchanligi | Suv bilan qattiq reaksiyaga kirishadi |
Saqlash harorati. | Xona harorati, Argon zaryadlangan |
Brend | Ruifu kimyoviy |
Element | Texnik xususiyatlari |
Tashqi ko'rinish | Rangsiz suyuqlik |
Erkin ftorid (F sifatida) | <300ppm |
CF3SO3H | <0,50% (Trifluorometansülfonik kislota) (Proton NMR) |
Tahlil | >99,0% (neytrallash titrlash) |
Zichlik (20 ℃) | 1,718 ~ 1,725 |
Sinishi indeksi n20/D | 1,321 ~ 1,323 |
Infraqizil spektr | Strukturaga mos keladi |
Sinov standarti | Korxona standarti |
Paket: Shisha, 25kg / barrel yoki mijozning talabiga binoan
Saqlash holati:Salqin va quruq joyda yopiq idishlarda saqlang;Nur va namlikdan saqlang
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Triflorometansülfonik angidrid (CAS: 358-23-6) triflil guruhini kiritish uchun kimyoviy sintezda ishlatiladigan kuchli elektrofildir.Triflorometansülfonik angidrid alkil va vinil triflatlarni sintez qilish uchun keng qo'llaniladigan reaktivdir.Polisaxaridlar sintezi uchun glikozillanish katalizatori Mannosazid metiluronat donorlarining stereoselektiv sintezi uchun reagent Anomerik gidroksi shakar bilan bevosita glikozillanish uchun faollashtiruvchi.Triflorometansülfonik angidrid fenol va iminni triflik ester va NTf guruhiga aylantirish uchun ishlatiladi.Bu kimyoviy sintezda triflil guruhini kiritish uchun ishlatiladigan kuchli elektrofildir.Alkil va vinil triflatlarni tayyorlashda va mannozazid metiluronat donorlarining stereoselektiv sintezi uchun reagent bo'lib xizmat qiladi.U polisaxaridlarni tayyorlash uchun anomerik gidroksi shakar bilan glikozillanish uchun katalizator vazifasini bajaradi.
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