Dab tsi yog qhov txawv ntawm acetone thiab methyl acetate (MeOAc)?

acetone VS methyl acetate (MeOAc)

Acetone thiab methyl acetate (MeOAc) yog ob qhov sib txawv ntawm cov organic sib txuas, feem ntau sib txawv hauv cov qauv tshuaj, lub cev, thiab kev siv.

Chemical Structure

• Acetone: Molecular mis CH₃COCH₃, qhov yooj yim tshaj plaws saturated ketone, muaj ib pab pawg carbonyl (C=O).
• Methyl acetate: Molecular mis C₃H₆O₂, ester compound tsim los ntawm esterification ntawm acetic acid thiab methanol, muaj ib pab pawg ester (-COO-) hauv nws cov qauv.

Lub cev muaj zog

• Acetone: Colorless pob tshab kua, boiling point 55 degree, ceev 0.79 g / cm³, tag nrho miscible nrog dej.
• Methyl acetate: Cov kua dej tsis muaj xim, pob tshab nrog qhov kub ntawm 52-54 degree, ntom ntawm 0.921 g / mL, flash point ntawm −19 degree, thiab solubility siab hauv dej. cov

Daim ntawv thov

• Acetone: Feem ntau yog siv los ua ib qho hnyav hnyav (piv txwv li, ntsia thawv polish tshem tawm, cov kuab tshuaj yas) thiab hauv cov organic synthesis (xws li, tsim cov epoxy resins, polyisoprene roj hmab). cov
• Methyl acetate: Siv rau hauv kev tsim cov acetic anhydride thiab cellulose acetate, los yog ua tus neeg sawv cev acetylating hauv tshuaj thiab tshuaj tsw qab. cov

Reactivity

• Acetone: Ua rau cov tshuaj tiv thaiv condensation (piv txwv li, tsim diacetone cawv), oxidizable los ntawm cov oxidizing muaj zog los tsim acetic acid thiab carbon dioxide. cov
• Methyl acetate: Yooj yim decomposes rau hauv acetaldehyde thiab formaldehyde; ntxiv decomposes rau hauv methane thiab lwm cov tebchaw ntawm qhov kub siab. cov

Gneebio yog ib tug ntseegmethyl acetate thiab acetone tus neeg muag khoom, muab Hoobkas- tus nqi ncaj qha, ntau qhov ntau, thiab xa khoom sai thoob ntiaj teb.

Yam khoom siv tshuaj los ntawm Gneebio

Bulk Industrial buyers feem ntau yuav methyl acetate ua ke nrog rau lwm cov kuab tshuaj thiab intermediates.
Ntawm no yog cov khoom nrov tshaj plaws:

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