izindaba

I-Acetic acid /əˈsiːtɪk/, eqanjwe ngokuhlelekilei-ethanoic acid /ˌɛθəˈnoʊɪk/, luwuketshezi olune-asidi, olungenambala futhiinhlanganisela yezinto eziphilayokanyeifomula yamakhemikhaliI-CH3COOH (iphinde ibhalwe ngokuthi i-CH3CO2H, i-C2H4O2, noma i-HC2H3O2).Uvinigaokungenani i-acetic acid engu-4% ngobuningi, okwenza i-acetic acid ibe yingxenye eyinhloko yeviniga ngaphandle kwamanzi. Ibilokhu isetshenziswa, njengengxenye yeviniga, kuwo wonke umlando kusukela okungenani ngekhulu lesithathu BC.

I-Acetic acid ingeyesibili elulai-carboxylic acid(ngemuvai-formic acid). Kubaluleke kakhului-reagent yamakhemikhalikanye namakhemikhali ezimboni emikhakheni eyahlukene, asetshenziswa kakhulu ekukhiqizwenii-cellulose acetatengobaifilimu yezithombe,i-polyvinyl acetatengokhuniinhlaka, kanye nemicu nezindwangu zokwenziwa. Emakhaya, i-acetic acid exutshwe kahle ivame ukusetshenziswaama-ejenti okususa izikali. Ku-imboni yokudla, i-acetic acid ilawulwa yi-ikhodi yokwengeza ukudlaI-E260 njenge-isilawuli se-asidifuthi njengesinongo. Kui-biochemistry, iiqembu le-acetyl, etholakala ku-acetic acid, iyisisekelo sazo zonke izinhlobo zokuphila. Uma iboshwe kui-coenzyme A, kuyinto ebalulekile ku-imetabolismkweama-carbohydratefuthiamafutha.

Isidingo somhlaba wonke se-acetic acid kusukela ngo-2023 singaba yizigidi eziyi-17.88amathoni e-metricngonyaka (t/a). Iningi le-acetic acid emhlabeni likhiqizwa nge-i-carbonylationkwei-methanolUkukhiqizwa kwayo kanye nokusetshenziswa kwayo kwezimboni okulandelayo kubeka izingozi empilweni yabasebenzi, okuhlanganisa ukulimala kwesikhumba okungazelelwe kanye nokulimala kokuphefumula okungapheli ngenxa yokuphefumula.

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Isikhathi sokuthunyelwe: Julayi-16-2025