Cov lus qhia
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Zog: |
Dawb rau yuav luag dawb cov khoom |
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Assay: |
99% min |
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Mp: |
38 Qib rau 41 Qib |
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Dej: |
0.5% max. |
Cov Ntaub Ntawv Thauj
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Chaw ua uas tsis tau haus |
Kev qhia tshwj xeeb |
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UN NUM |
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Hom |
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Cov Pab Pawg |
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Hs code |
2932999099117 |
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Ruaj khov & rov ua |
Cov khoom lag luam ruaj khov nyob rau hauv cov qauv ambient ambient. |
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Chaw ntim khoom |
Nruj nreem kaw. Khaws rau hauv qhov chaw kaw, qhuav, qhov chaw cua |
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Mob kom tsis txhob |
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Lub thawv |
1kg lossis 500g / fluorine fwj |
Cov ntaub ntawv raug
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Chaw ua uas tsis tau haus |
Kev qhia tshwj xeeb |
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Lub peev xwm |
10MT / Lub Hlis |
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Hov ntau |
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Lub teb chaws tseem ceeb |
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Peev Xwm / Batch |
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Paub lawm |
Ntau lawm txij xyoo 2007 |
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Ntxiv rau |
Lub ntsiab
18-yas-6 丨 CASIBE 17455-13-9 yog ib qho ntawm cov paub zoo tshaj plawsYas Ua Phem, npe rau nws lub peev xwm rau "yas" cations neeg tshwj xeeb. Nws ua yeeb yam zoo tshaj plawsKev Xaiv thiab Ci los ntawm kev xaiv, tshwj xeeb raupoov tshuaj ions (k⁺), ua rau nws tus tseem ceeb hauv host-qhua cov kws tshawb xyuas, kev ua haujlwm chemistry, thiab kev tshawb fawb txog kev tshawb fawb.
Cov Ntawv Thov
1. Theem-Hloov Catalysis
18-crown-6 丨 CASIBE 17455-13-9 Tus Thawj CojIon thauj ntawm aqueous thiab organic theem, Tso cai rau cov tshuaj tiv thaiv Ionic tau mus ua cov kuab tshuaj organic.
Nws yog dav siv nyob rau hauvNucleophilic hloov cov kev cai lij choj (SN2)Qhov twg alkali hlau ntsev tau koom tes nrog (xws li Kcn, KF).
2. Xaiv cov hlau ion complexation
Kev ua yeeb yamKev xaiv siab rau cov poov tshuaj (k⁺)ions vim loj sib haum nrog nws cov kab noj hniav.
Siv nyob rau hauvKev ntsuas tshuaj anchisterTxhawm rau cov hlau hlau tawm rau kev sib cais, nrhiav kom pom, lossis thauj.
Txhim khosolubility ntawm inorganic ntsevnyob rau hauv tsis yog kuab tshuaj.
3. Organic synthesis
Ua li ibCov tshuaj tiv thaiv promoterlossishnub solos ntawm kev khi rau cov hlau xoo thiab tso nucleophilic itions.
Pab kom muaj kev cuam tshuam hauv qabTej Yam Yuav Mob Methiab txhim khoqoob loonyob rau hauv lwm yam kev hloov qeeb lossis tsis muaj zog.
4. Ion Thauj thiab Membrane Kev Tshawb Nrhiav
Qauv sib txuas hauvIon Thauj Tshawb Nrhiav, mimicking txau ion chanels.
Siv los tsimIon-Xaiv Cov Hluav Taws Xobthiab kawmmembrane permeabilitynyob rau hauv supram kuab ntsuas kev ua haujlwm.
5. Tus tswv tsev-qhua thiab supramolecular chemistry
Ua hauj lwmhost moleculerau alkali hlau ions hauvkev kawm nyuaj siab.
NtawvCov Muaj Peev Xwm Inclusions Complexes, pab tau rau kev kawm molecular lees paub, los ntawm kev sib sau ua ke, thiab kev sib dhos tus kheej.
Cov txiaj ntsig
1. Lub Siab ion Xaiv
Cov kab noj hniav loj (~ 2.6-3.2 Å) yog qhov zoo tagnrho rau k⁺, muab kev tshwj xeebBinding tshwj xeeb.
2. Versatile Rugilitator
Tso caiInorganic ntsev kom hnov cov organic xov xwm, Bridging qhov sib txawv ntawm polar thiab tsis muaj sij hawm ib puag ncig.
3. Txhim Kho Kev Solubility thiab Reactivity
NceSolubility ntawm Cov Khoom Siv Hlau, thiabTxhawb kev ractivityntawm nucleophiles los ntawm kev ua haujlwm cation.
4. Xav siv thoob plaws kev qhuab qhia
Siv nyob rau hauvKhoom cua organic kev siv hluavtis, tshuaj ntsuam kev ntsuas, electrochemistry, thiab cov khoom siv tshuaj ntsuam.
Tag
18-crown-6 丨 CASIB 17455-13-9yog lub zog thiab xaiv macrocyclice siv nyob rau hauvTheem-Hloov Catalysis, ion complexation, supramolecular chemistry, thiabKev Tshawb Nrhiav MembraneCov. Nws muaj kev muaj zog rau cov poov tshuaj ions thiab muaj peev xwm los txhim kho kev cuam tshuam hauv ob qho tib si muaj txiaj ntsig thiab kev siv tshuaj tsis tseem ceeb hauv kev siv tshuaj kawm tshuaj thiab kev lag luam chemical.
Cim npe nrov: 18-crown-6 丨 CAS 18455-13-9, Tuam Tshoj 18-crown-6 丨 CASE 17455-13-9 Cov Chaw Tsim Khoom, Chaw Tsim Tshuaj
