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Dzina lazogulitsa:Ethyl acetate

Mtundu wazosintha:C4H8O2

PE MAY:141-78-6

Kapangidwe kake kake:

Mankhwala:

Ethyl acetate (kapangidwe katchulidwa pamwambapa) ndiye mzungu wodziwika bwino kwambiri kwa ophunzira ambiri a chemistry ndipo mwina ester ndi makonda ambiri. ESTS zimachokera ku macitidi a carboxyyylic acid polowetsa hydrogen ndi gulu la alkyl kapena Aryl. Ethyl acetate patokha ndi madzi opanda utoto kutentha kwa firiji ndi fungo labwino "bp 77 ° C.

A Ethyl acetate ambiri, monga chipatso chonga, monga zipatso zowonjezera, zonunkhira za concectoes ndi makeke, monga varnish remani), ndi zonunkhira zosindikizira.

Ntchito:

Ethyl acetate imagwiritsidwa ntchito ngati zosungunulira komanso zokomeza chifukwa cha mtengo wake wotsika, pozindikira zochepa, komanso fungo labwino. Mwachitsanzo, nthawi zambiri amagwiritsidwa ntchito kuyeretsa matabwa ozungulira ndipo m'malo ena amisala (acetone ndi acetonitrile amagwiritsidwanso ntchito). Nyemba za khofi ndi masamba a tiyi zimawonetsedwa ndi zosungunulira izi. M'mafuta onunkhira, imasuntha mwachangu, kusiya fungo la zonunkhira pakhungu.
3 - 1 - imagwiritsa ntchito labotale
Mu labotale, zosakanikirana zomwe zili ndi ethyl acetate nthawi zambiri zimagwiritsidwa ntchito mu gawo la chromatography. Ethyl acetate samakonda kusankha ngati solation yochita chifukwa imakonda kuwononga hydrolysis ndi kutsatsa kutulutsa.
3 - 2 - Zochitika mu Vinyo
Ethyl acetate ndi ester yofala kwambiri mu vinyo, kukhala chinthu cha ortic acid - acetic acid, ndi ethyl mowa wopangidwa pa nayonso. Mafuta a ethyl acetate amakhala owoneka bwino kwambiri mu ma vinner achichepere ndipo amathandizira kuzindikira kwa "zipatso" mu vinyo.
3 - 3 - Kupha Wothandizira
Pamunda wa etrom, ethyl acetate ndi wothandiza kwambiri kuti azigwiritsa ntchito kutolera ndi kuphunzira. Mu mtsuko wakupha wophedwa ndi ethyl acetate, nthunzi imapha omwe adasonkhanitsidwa (nthawi zambiri wamkulu) Tizilombo mwachangu popanda kuwononga. Chifukwa si hygroscopic, ethyl acetate imasunganso tizilombo toyambitsa matenda mokwanira kuti zilolere kukweza bwino koyenera kusonkhanitsa.