Cesium carbonate 534-17-8 intengo yokukhiqiza

Cesium carbonate 534-17-8 ukukhiqiza inani lentengo elifakiwe
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Incazelo emfushane:

Cesium carbonate 534-17-8


  • Igama lomkhiqizo:Cesium carbonate
  • Case:534-17-8
  • MF:CCS2O3
  • MW:325.82
  • Ama-einec:208-591-9
  • Character:umenzi
  • Iphakheji:1 kg / isikhwama noma i-25 kg / isigubhu
  • Imininingwane Yomkhiqizo

    Amathegi Omkhiqizo

    Ukufanisa

    Igama lomkhiqizo: Carbonate Carbonate

    Case: 534-17-8

    MF: CCS2O3

    MW: 325.82

    Ama-EINEC: 208-591-9

    Ubuningi: 4.072

    IFOMU: I-Powder / Granules

    Umbala: mhlophe

    Amandla athile adonsela phansi: 4.072

    ESTIVE: Hygroscopic

    IMerck: 14,2010

    BRN: 4546405

    Ukucacisa

    Igama lomkhiqizo

    Cesium carbonate

    Ukubonakala

    I-White Crystalline Powder

    Ubumsulwa

    99.9%

    Iphuzu elincibilikayo

    I-610 ° C

    Iphuzu elibilayo

    333.6ºC ngo-760 mmhg

    I-flash point

    169.8ºC

    I-solubity yamanzi

    261 g / 100 ml (20 ºc)

    Isicelo

    1. Izakhiwo eziningi ze-cesium carbonate ekuhlanganiseni kwe-organic zivela ku-lew lewis acidity ye-cesium ion, okwenza kuncibilikeke ezinhlafunweni ze-organic ezinjengotshwala, i-DMF ne-ether.

    2. I-solubity enhle ku-organic solvents inika amandla i-cesium carbonate njengesisekelo esisebenzayo se-inorganic ukubamba iqhaza ekuphendukeni kwamakhemikhali okuhlanganiswe ne-Palladium reagents enjenge-heck, suzuki kanye noSonogashira ukusabela. Isibonelo, ukusabela kwesiphambano seSuzuki-coupling kungafinyelela isivuno sika-86% ngokusekelwa kwe-cesium carbonate, ngenkathi isivuno sokusabela okufanayo nokubamba iqhaza kwe-sodium carbonate noma ukubambana nama-50% nama-50% kuphela. Ngokufanayo, ekuphendukeni kwe-heck kwe-methacrylate ne-chlorobele, i-cesium carbonate inezinzuzo ezisobala ngaphezu kwezinye izisekelo ze-inOrganic, njenge-potassium carbonate, i-sodium acetate, ne-triethylaline, ne-potassium phosphate.

    3. I-Ceseium Carbonate futhi inesicelo esibaluleke kakhulu ekufezeni ukusabela kwe-O-Alkylation of Phenol Compainds.

    I-4. Ukuhlolwa kucabanga ukuthi ukusabela kwe-O-Alkylation ku-SolVents Engelona amanzi okutholwa yiCeseium Carbonate kungenzeka ukuthi ubone ama-anions we-phenoloxy, ngakho-ke ukusabela kwe-alkylation nakho kungenza ngezenzo eziphezulu zesibili ezithambekele ekuphenduleni. .

    I-5. I-cesium carbonate nayo inokusetshenziswa okubalulekile ekuhlanganisweni kwemikhiqizo yemvelo. Isibonelo, ekuhlanganiseni kwe-Lipogrammistin - okuyingxenye yesinyathelo sokuqala sokusabela kwendandatho, ukusetshenziswa kweCesium Carbonate njengesisekelo se-inorganic kungathola imikhiqizo evaliwe enezithelo ezivuthiwe.

    I-6 Isibonelo, ukusabela kwezingxenye ezintathu ze-aniline ne-halide okusekelwa okuqinile kudonswa emkhathini we-carbon dioxide ukuhlanganisa izinhlanganisela ze-carboxylate noma ze-carbamate ngesivuno esikhulu.

    7. Ngaphansi kwemisebe ye-microwave, i-cesium carbonate nayo ingasetshenziswa njengesisekelo sokubona ukusabela kokuqanjwa kwe-benzoic acid nama-halogens asekelwe ngokuqinile.

    Ukukhokha

    1, t / t

    2, l / c

    3, visa

    4, ikhadi lesikweletu

    5, PayPal

    6, I-ALIBABA Trade Assation

    I-7, i-Western Union

    8, MoneyGram

    9, Ngaphandle kwalokho, kwesinye isikhathi nathi samukele iBitcoin.

    Imibandela Yokukhokha

    Ukubeka

    indawo yokushisa ephansi, enomoya kanye nosomile

    Qinisa

    izinzile. Izinto ezingahambelani: Ama-oxidants aqinile, ama-acid aqinile.


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