CESIUM Carbonate 534-17-8 Cov Nqe Khoom

CESIUM Carbonate 534-17-8 Cov Chaw Tsim Khoom Nqe Cov Duab
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Cesium Carbonate 534-17-8


  • Khoom npe:CESIUM Carbonate
  • CAS:534-17-8
  • Mf:CCS2O3
  • Mw:325.82
  • Einecs:208-591-9
  • Cwj pwm:tus tsim
  • Pob:1 kg / hnab lossis 25 kg / nruas
  • Khoom Qhia Qhia

    Khoom Ntawv

    Kev piav txog

    Khoom npe: CESIUM Carbonate

    CAS: 534-17-8

    MF: CCS2O3

    MW: 325.82

    Einecs: 208-591-9

    Ceev: 4.072

    Daim Ntawv: Hmoov / Granules

    Xim: Dawb

    Kev Nqus Tshwj Xeeb: 4.072

    Rhiab: hygroscopic

    Merck: 14,2010

    BN: 4546405

    Kev qhia tshwj xeeb

    Khoom npe

    CESIUM Carbonate

    Kev tshwm sim

    Dawb crystalline hmoov

    Kev coj dawb huv

    99.9%

    Melting taw tes

    610 ° C

    Kub taw tes

    333.6ºC nyob rau 760 MmHG

    Flash point

    169.8ºC

    Dej solubility

    261 G / 100 ml (20 ºC)

    Daim ntawv thov

    1. Ntau yam khoom ntawm Cesium carbonate hauv cov synthic synthesis los ntawm qhov muag lewis acidity ntawm cov kuab tshuaj yeeb yaj kiab xws li dej cawv, DMF thiab Etaws.

    2. Cov solubility zoo hauv cov kuab tshuaj yeeb yaj kiab ua rau cov tshuaj tua hluav taws xob ua kom muaj kev sib txuam nrog cov tshuaj tua hluav taws xob xws li heck, suzuki thiab Sonogashira kev tawm tsam. Piv txwv li, Suzuki cov kev hla kev tshuaj tiv thaiv tuaj yeem ua tiav cov tshuaj tiv thaiv ntawm cov tshuaj so ntawm cov sodium carbonate lossis triethylamine tsuas yog 29% thiab 50%. Ib yam li ntawd, nyob rau hauv lub heck cov tshuaj tiv thaiv ntawm metharobzene tau pom tseeb cov txiaj ntsig, sodium acetate, triethylamine, thiab potassium kua ntsev.

    3. Cesium carbonate kuj tseem muaj ib daim ntawv thov tseem ceeb heev hauv kev paub txog O-alkylation cov tshuaj tiv thaiv ntawm Phenol tebchaw.

    4. Qhov kev sim xav tias Phenol o-alkylation cov tshuaj tiv thaiv nyob rau hauv cov tshuaj tsw qab phenoloxy feem ntau yuav tshwm sim rau cov kev ua si Halogens theem nrab uas nquag ua rau kev tshem tawm. Cov.

    5. Cesium carbonate kuj tseem muaj kev siv tseem ceeb hauv synthesis ntawm cov khoom ntuj. Piv txwv li, hauv synthesis ntawm Lipogram txujci-lub kauj ruam ntawm cov kauj ruam tseem ceeb, kev siv cov khoom sib xyaw ua ke nrog cov khoom siv nrov nrog cov qoob loo zoo.

    6. Ntxiv rau, vim yog cov kev ua haujlwm zoo ntawm CESIUM carbonate hauv organic cov kuab tshuaj, nws kuj tseem ceeb rau cov organic kev txhawb nqa. Piv txwv li, peb-cov tshuaj tiv thaiv ntawm Aniline thiab cov khoom siv-txhawb nqa cov pa roj carbon dioxide los synthesize compoxylate lossis carbamate sib txuas nrog cov lus sib txuas zoo.

    7. Nyob rau hauv microwave hluav taws xob, lub khob noom carriation, cesium carbonate kuj tseem siv tau los ua lub hauv paus kom paub txog cov tshuaj tiv thaiv kev ua haujlwm ntawm benzoic acid thiab muaj kev txhawb nqa halogens.

    Nyiaj them

    1, t / t

    2, l / c

    3, vixaj

    4, credit card

    5, paypal

    6, Alibaba Kev Tsim Kho Kev Lag Luam

    7, Western Union

    8, MoneyGram

    9, ntxiv rau, qee zaum peb kuj lees txais Bitcoin.

    Cov ntsiab lus them nqi

    Chaw ntim khoom

    Tsawg-kub, ventilated thiab warehouse

    Ruaj khov

    ruaj khov. Cov ntaub ntawv tsis sib xws: cov muaj zog oxidants, cov kua qaub muaj zog.


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