Ethyl Acetate vs Methyl Acetate

Ethyl acetate thiab methyl acetate yog ob qho tib si organic chemical compounds nrog cov qauv thiab cov khoom zoo sib xws. Lawv yog ob qho tib si tsis muaj xim uas muaj cov ntxhiab tsw qab, thiab lawv tau siv dav hauv ntau yam kev lag luam.

Tsuas yog lawv muaj cov qauv molecular sib txawv. Lwm qhov sib txawv ntawm ob lub tebchaw no yog lawv qhov kub hnyiab. Ethyl acetate muaj qhov kub ntawm 77 degree, thaum methyl acetate muaj qhov kub ntawm 57 degree. Qhov no txhais tau hais tias ethyl acetate yuav tsum tau kub me ntsis kom kub dua li methyl acetate.

Nyob rau hauv cov nqe lus ntawm lawv cov khoom, ethyl acetate yog me ntsis ntau dua polar dua methyl acetate, uas txhais tau hais tias nws yog ntau soluble nyob rau hauv dej thiab lwm yam polar solvents. Txawm li cas los xij, ob lub tebchaw yog cov nplaim taws heev thiab muaj cov tshuaj lom neeg thiab lub cev zoo sib xws.

Txawm hais tias qhov sib txawv no, ob qho tib si ethyl acetate thiab methyl acetate tau siv dav hauv ntau daim ntawv thov kev lag luam. Ethyl acetate feem ntau yog siv los ua cov kuab tshuaj hauv kev tsim cov xim, cov kua roj vanish, thiab cov nplaum, thaum methyl acetate yog siv los ua cov kuab tshuaj hauv kev lag luam tshuaj thiab hauv kev tsim cov yas thiab cov resins.

Ob qho tib si ethyl acetate thiab methyl acetate yog cov tshuaj tseem ceeb nrog cov khoom siv thiab kev siv. Txawm hais tias koj tab tom ua haujlwm hauv kev lag luam lossis tsuas yog xav paub txog lub ntiaj teb ntawm chemistry, kev nkag siab qhov sib txawv ntawm ob lub tebchaw no tuaj yeem pab koj txaus siab rau qhov nyuaj thiab ntau yam ntawm lub ntiaj teb ntuj tsim.