I-Sodium Ethoxide: I-Reagent ehlukileko yokwenza izinto eziphilako
Iindawo ezikulu zokusebenza
Ekuhlanganisweni kwezinto eziphilako, i-sodium ethoxide yinto esetjenziswa khulu engakhuthaza ukusabela okuhlukahlukeneko. Ivamise ukusetjenziswa ekwenzeni i-ester, i-ether, kanye ne-condensation reactions, okukhuphula khulu amazinga wokuphendula kanye nokukhiqiza. Ukwenza isibonelo, ekuhlanganisweni kwamakha namafleyiva, i-sodium ethoxide ingakhuthaza ukusabela kwe-esterification ukukhiqiza amakhompawundi we-ester anamaphunga athileko. Phezu kwalokho, i-sodium ethoxide isetjenziselwa ukwakhiwa kwezinye izinto eziphakathi kwezokwelapha, ezifana nama-precursors wama-anthibhayothikhi nemithi yenhliziyo.
Ebubulweni lemithi, i-sodium ethoxide isetjenziswa njenge-alkaline reagent eentweni ezihlukahlukeneko zokwenza izinto eziphilako. Ingasetjenziselwa ukwakha ama-alcohol, ama-ether, nama-ester emithini. Ukwenza isibonelo, ekuhlanganisweni kwezinye iinhlahla ezilwa namathumba nama-anthibhayothikhi, i-sodium ethoxide inikela ngendawo etlhogekako ye-alkaline ukukhuthaza ukusabela. Phezu kwalokho, i-sodium ethoxide ingasetjenziswa ekuhlanzeni nasekuhlukaniseni imithi ukususa ukungcola.
Emkhakheni wephunga namafutha, i-sodium ethoxide isetjenziswa njenge-alkylation ejenti. Ingafaka isiqhema se-ethyl emamolekhyuli we-organic ukukhiqiza amakhompawundi anemisebenzi ethileko. Ukwenza isibonelo, ekukhiqizeni i-biodiesel, i-sodium ethoxide ingasebenza njenge-catalyst ukukhuthaza ukusabela kwe-esterification hlangana namafutha ne-ethanol, okukhiqiza i-biodiesel. Ekwenzeni amakha, i-sodium ethoxide ingasetjenziselwa ukwenza amakhompawundi we-ethylated anephunga elihlukileko lamakha nama-cosmetic.
Ebubulweni lamakhemikhali amahle, i-sodium ethoxide nayo isetjenziswa ekukhiqizeni ama-surfactants, ama-resin, nama-polymer. Ingasebenza njenge-catalyst nofana i-alkaline reagent ekuphenduleni kokukhiqiza ukukhiqiza amakhemikhali anezakhiwo ezithileko. Ukwenza isibonelo, ekuhlanganisweni kwama-resin asebenza khulu, i-sodium ethoxide ingakhuthaza ukusabela kwe-polymerization, ithuthukise ubudisi bamamolekhyuli nokusebenza kwe-resin.
Nanyana ineensetjenziswa ezinengi, i-sodium ethoxide ine-alkaline enengi begodu ine-hygroscopic, begodu ukusetjenziswa kwayo nokubulungwa kwayo kutlhoga iinqabo eziqinileko zokuphepha. I-sodium ethoxide idonsa lula umswakama eendaweni ezinomswakama, yenza iinsombululo ezine-alkaline khulu, njeke kufuze igcinwe esitjeni esivaliweko. Phezu kwalokho, iinsombululo ze-sodium ethoxide ziyabola khulu, begodu iinsetjenziswa zokuzivikela ezifaneleko kufanele zigqokwe lokha nazisetjenziswako ukubalekela ukuthintana nesikhumba namehlo. Ekukhiqizeni kwezebubulo, ukusetjenziswa kwe-sodium ethoxide kuvamise ukwenzeka eenhlelweni ezivaliweko ukwehlisa umthelela wemvelo.
Iinqophiso
| Ibizo lomkhiqizo | I-Sodium Ethoxide | |||||||||
| Ifomula yamakhemikhali | C2H5ONa | |||||||||
| Ubunzima bamamolekhyuli | 68.05 g/mol | |||||||||
| Ukuvela | Ipuyere emhlophe | |||||||||
| Indawo yokuncibilika | 260°C | |||||||||
| Ukuminyana | 1.3 g/cm3 | |||||||||
| CAS NO | 141-52-6 | |||||||||
| Ikhodi ye-HS | 2905199090 | |||||||||
| I-EINECS NO | 205-488-0 | |||||||||
| Isibawo | Isetjenziswa ekuhlanganisweni kwezinto eziphilako njengesisekelo kanye ne-ejenti yokuncibilikisa | |||||||||
Iphepha lokulawula ikhwalithi
| Ibizo lomkhiqizo | |||||||
| I-AYITHEMU | INANI ELIJWAYELEKILEKO (%) | INANI LOKUHLOLA (%) | |||||
| I-Alkaloid epheleleko | ≥99 | 99.19 | |||||
| I-sodium carbonate | ≤ 0.5 | 0.31 | |||||
| Isisekelo samahhala | ≤ 1.5 | 0.86 | |||||
| Umswakamo | ≤0.6 | 0.32 | |||||
Ngokufingqa
Ngokufingqa, i-sodium ethoxide, njengento eqakathekileko yamakhemikhali wezinto eziphilako, idlala indima eqakathekileko emabubulweni amanengi. Akukhuphuli ukusebenza kuhle nokukhiqizwa kwe-organic synthesis kwaphela kodwana kusekela ukuthuthukiswa kwebubulo lesimanjemanje. Ngokuragela phambili kwethekhnoloji, amathuba wokusetjenziswa kwe-sodium ethoxide azokubanzi khulu.