I-Fitech Material, eyenza umehluko wangempela
Ikhwalithi Okokuqala
Intengo Yokuncintisana
Ulayini Wokukhiqiza Osezingeni Lokuqala
Umsuka Wefekthri
Amasevisi Enziwe ngokwezifiso
Izakhiwo zomzimba namakhemikhali
Ukubukeka nohlamvu: i-crystalline powder emhlophe
Ubukhulu: 4.072
Izinga lokuncibilika: 610 ° C
Iphoyinti lokubilisa: 333.6 C ku-760 mmHg
I-Flash: DHS 169.8 C
Ukunyibilika kwamanzi: 261 g/100 mL (20 C)
Ukuzinza: Ukuzinza.Izinto ezivinjelwe: i-oxidant eqinile, i-asidi eqinile.
Izimo zokugcina: indawo yokugcina impahla ingena umoya futhi yomile ekushiseni okuphansi
I-Cesium carbonate iwuhlobo lwenhlanganisela ye-inorganic, eqinile emhlophe ekamelweni lokushisa nokucindezela.Incibilika kalula emanzini futhi ngokushesha i-hygroscopic lapho ibekwe emoyeni.Isixazululo se-cesium carbonate sine-alkaline enamandla, futhi singasabela nge-asidi ukuze sikhiqize usawoti ohambisanayo we-cesium namanzi, futhi sikhiphe isikhutha.I-Cesium carbonate kufanele ivalwe, yomiswe futhi igcinwe ngokuhlukana nama-acids. |
I-PrIzakhiwo eziningi ze-cesium carbonate ku-organic synthesis zithathwe ku-acidity ye-Lewis ethambile ye-cesium ion, eyenza inyibilike kuzincibilikisi zemvelo ezifana notshwala, i-DMF ne-ether.Ukunyibilika okungcono kwezinyibilikisi eziphilayo kwenza i-cesium carbonate ibambe iqhaza ekuphenduleni kwamakhemikhali okubangelwa ama-reagents e-palladium njengesisekelo esisebenzayo sezinto ezingaphili, ezifana nokusabela kwe-Heck, i-Suzuki ne-Sonogashira.Isibonelo, ukusabela kwe-Suzuki cross coupling ne-cesium carbonate kwakwazi ukuthola isivuno esingu-86%, kuyilapho ukusabela okufanayo nge-sodium carbonate noma i-triethylamine kwaba kuphela ama-29% kanye nama-50%.Ngokufanayo, ekuphenduleni kwe-Heck ye-methacrylate ne-chlorobenzene, i-cesium carbonate uma iqhathaniswa nezinye izisekelo ze-inorganic, njenge-potassium carbonate, i-sodium acetate, i-triethylamine, i-potassium phosphate, ibonise inzuzo esobala kakhulu.I-Cesium carbonate nayo inezinhlelo zokusebenza ezibalulekile ku-o-alkylation yama-phenol compounds.Kucatshangelwa ukuthi ukusabela kwe-phenol O-alkylation ku-cesium carbonate non-aqueous solvent kungenzeka kube ne-phenoxyethylene anion, ngakho-ke ukusabela kwe-alkylation kungase kwenzeke kuma-halogenates esibili anomsebenzi ophezulu kanye nokusabela okulula kokuqeda.I-Cesium carbonate nayo inezinhlelo zokusebenza ezibalulekile ekuhlanganiseni imikhiqizo yemvelo.Isibonelo, ekuhlanganiseni kwe-Lipogrammistin-inhlanganisela ku-A key step-close-loop reaction, i-cesium carbonate njengesisekelo se-inorganic ingasetshenziswa ukuthola imikhiqizo evaliwe ene-loop ephezulu.Ngaphezu kwalokho, i-cesium carbonate inezinhlelo zokusebenza ezibalulekile ekuphenduleni okuqinile okusekelwa kwe-organic ngenxa yokuncibilika kwayo okuhle kuzinyibilikisi zemvelo.I-Carboxylate noma i-carbamate compounds ingahlanganiswa ngesivuno esiphezulu ngokudala ukusabela kwezingxenye ezintathu ze-aniline nge-halogen eqinile esekelwe emoyeni we-carbon dioxide.Ngaphansi kwe-microwave irradiation, i-cesium carbonate ingasetshenziswa njengesisekelo sokubona ukusabela kwe-esterification phakathi kwe-benzoic acid nama-halogenates asekelwe aqinile.
Q: Ingabe uhweba inkampani noma umenzi?
A: Siyimboni.
Q: Singakanani isikhathi sakho sokulethwa?
A: Ngokuvamile kuba yizinsuku ezingu-5-10 uma izimpahla zisesitokweni.noma yizinsuku eziyi-15-20 uma izimpahla zingekho esitokweni, ngokusho
ubuningi.
Q: Uyawanikeza amasampula?imahhala noma ingeziwe?
IMP: Yebo, singanikeza isampula mahhala kodwa singakhokhi izindleko zokuthutha.
Q: Ithini imigomo yakho yokukhokha?
A: Inkokhelo<=1000USD, 100% kusengaphambili.Inkokhelo>=1000USD, 30% T/T kusengaphambili,ibhalansi ngaphambi kokuthunyelwa.