Dzina lazogulitsa:Ethyl acetate

Mtundu wa Molecular:C4H8O2

CAS No:141-78-6

Mankhwala maselo kapangidwe:

Chemical Properties:

Ethyl acetate (mapangidwe asonyezedwa pamwambapa) ndi ester yodziwika bwino kwa ophunzira ambiri a chemistry ndipo mwina ester yomwe ili ndi ntchito zambiri.Esters amapangidwa mwadongosolo kuchokera ku carboxylic acid posintha acidic haidrojeni ndi gulu la alkyl kapena aryl.Ethyl acetate palokha ndi madzi opanda mtundu kutentha kwa chipinda chokhala ndi fungo lokoma la "zipatso", bp 77 ° C.

Ethyl acetate ili ndi ntchito zambiri, monga zopangira zipatso zopanga ndi zowonjezera fungo, zokometsera zopangira confectionery, ayisikilimu ndi makeke, monga zosungunulira m'magwiritsidwe ambiri (kuphatikiza tiyi wothira khofi ndi khofi) wa ma vanishi ndi utoto (chochotsa misomali), komanso kupanga inki zosindikizira ndi zonunkhiritsa.

Ntchito:

Ethyl acetate imagwiritsidwa ntchito makamaka ngati zosungunulira komanso zosungunulira, zomwe zimakondedwa chifukwa cha mtengo wake wotsika, kawopsedwe wochepa, komanso fungo labwino.Mwachitsanzo, nthawi zambiri amagwiritsidwa ntchito kuyeretsa matabwa ozungulira komanso zochotsera misomali (acetone ndi acetonitrile amagwiritsidwanso ntchito).Nyemba za khofi ndi masamba a tiyi ali ndi caffeine ndi zosungunulirazi. Amagwiritsidwanso ntchito mu utoto monga activator kapena hardener.Mu zonunkhiritsa, amasanduka nthunzi mofulumira, kusiya fungo la mafutawo pakhungu.
3 - 1 - Kugwiritsa ntchito Laboratory
Mu labotale, zosakaniza zomwe zimakhala ndi ethyl acetate zimagwiritsidwa ntchito kwambiri muzambiri za chromatography ndi zotulutsa.Ethyl acetate sichimasankhidwa kawirikawiri ngati chosungunulira chifukwa chimakonda hydrolysis ndi trans esterification.
3 - 2 - Zomwe zimachitika mu vinyo
Ethyl acetate ndiye ester yodziwika kwambiri mu vinyo, yomwe imapangidwa ndi asidi osakhazikika - acetic acid, ndi mowa wa ethyl womwe umapangidwa panthawi yowitsa.Kununkhira kwa ethyl acetate kumawonekera kwambiri mu vinyo ang'onoang'ono ndipo kumathandizira kuti pakhale lingaliro la "chipatso" mu vinyo.
3-3 - Entomological kupha wothandizira
Pankhani ya entomology, ethyl acetate ndi asphyxiant yogwira ntchito posonkhanitsa ndi kuphunzira.Mumtsuko wakupha wokhala ndi ethyl acetate, nthunzi imapha tizilombo tosonkhanitsidwa (kawirikawiri wamkulu) popanda kuwononga.Chifukwa si hygroscopic, ethyl acetate imathandizanso kuti tizilombo ting'onoting'ono kuti tiyike bwino kuti titengere.