I-Benzoic Acid: I-Organic Acid Ebalulekile kanye Nesilondolozi
Izinkambu Ezinkulu Zokufaka Isicelo
Ukusetshenziswa okuyinhloko kwe-benzoic acid kufaka phakathi ukusetshenziswa kwayo njengesivikelo, isithako se-acid, isakhi sephunga, kanye nesiphakathi kokwenziwa kwezinto eziphilayo. Embonini yokudla, i-benzoic acid iyisivikelo esivame ukusetshenziswa esingavimbela ngempumelelo ukukhula kwamagciwane futhi sandise impilo yokudla eshalofini. Ivame ukungezwa eziphuzweni, amasoso, amajamu, imikhiqizo efakwe ku-pickle, kanye nokunye ukudla ukuqinisekisa ukuphepha nokuqina kwazo. Isibonelo, eziphuzweni ezine-carbonated, i-benzoic acid ivimbela ukukhula kwamagciwane kanye nesikhunta, igcina ikhwalithi yesiphuzo.
Embonini yezemithi, i-benzoic acid isetshenziselwa ukukhiqiza izinto ezisetshenziswayo zemithi ethile. Ihlinzeka ngeqembu elisebenzayo le-carboxyl elingabamba iqhaza ekusabeleni kwezinto eziphilayo ukuze kukhiqizwe ama-antibiotic, ama-antipyretic analgesics, kanye neminye imithi. Ngaphezu kwalokho, i-benzoic acid ingasetshenziswa ukulawula i-pH yemithi esetshenziswayo, ukuqinisekisa ukuzinza kwayo kanye nokutholakala kwayo. Isibonelo, kwezinye izinto zokugcoba ngama-antibiotic, i-benzoic acid isebenza njengesivikelo ukuvimbela amafutha ukuthi angonakali.
Embonini yamakhemikhali, i-benzoic acid iyinto ebalulekile ekwakhiweni kwezinto eziphilayo. Ingasetshenziswa ukuhlanganisa ama-ester e-benzoic acid, njenge-benzyl benzoate, asetshenziswa kabanzi embonini yezinongo kanye nezimonyo. I-Benzoic acid ingaphinde isetshenziswe ukukhiqiza i-ethyl benzoate, esetshenziswa ekwakhiweni kwama-polymers nama-resin. Ngaphezu kwalokho, i-benzoic acid ingasebenza njenge-acidifier ekwakhiweni kwezinto eziphilayo, ilawula i-pH yesistimu yokusabela ukuze ikhuthaze ukusabela okuthile.
Embonini yezimonyo, i-benzoic acid isetshenziswa ukulawula i-pH yezimonyo, iqinisekisa ukuzinza nokuphepha kwemikhiqizo. Ingasebenza futhi njengengxenye yephunga, inikeze iphunga eliyingqayizivele ezimonyweni. Isibonelo, kwezinye izinongo nemikhiqizo yokunakekelwa kwesikhumba, i-benzoic acid isetshenziswa njengengxenye yokulondoloza kanye nephunga ukuze kwandiswe isikhathi sokuphila kwemikhiqizo futhi kuthuthukiswe iphunga layo.
I-Benzoic acid iyikhemikhali ephephile, kodwa kufanele kuthathwe izinyathelo zokuphepha ngesikhathi sokusetshenziswa nokugcinwa kwayo. Kufanele igcinwe esitsheni esivaliwe ukuze kugwenywe umswakama kanye nokungcola. Imishini yokuzivikela efanele, njengamagilavu nezibuko, kufanele igqokwe ngesikhathi sokuphathwa ukuze kuvinjelwe ukuthintana nesikhumba namehlo.
Imininingwane
| Igama Lomkhiqizo | I-Benzoic Acid | |||||||||
| Ifomula Yamakhemikhali | C₇H₆O₂ | |||||||||
| Isisindo sama-molecule | 122.12 | |||||||||
| Ukubukeka | Impuphu emhlophe ekristalu | |||||||||
| Indawo Yokuncibilika | 122.41°C | |||||||||
| Indawo Yokubilisa | 249.2°C | |||||||||
| Ubuningi | 1.2659 g/cm³ | |||||||||
| INOMBOLO YE-CAS | 65 - 85 - 0 | |||||||||
| Ikhodi ye-HS | 29163100 | |||||||||
| I-EINECS CHA | 200 - 618 - 2 | |||||||||
| Isicelo | Amakhemikhali, izithasiselo zokudla, imithi, njll. | |||||||||
Ishidi Lokulawula Ikhwalithi
| Igama Lomkhiqizo | I-Benzoic Acid | ||||||
| ITEM | IZINHLOBO EZIJWAYELEKILE | IMIPHUMELA YOKUHLOLA | |||||
| Okuqukethwe | ≥99.5% | 99.86% | |||||
| Indawo Yokuncibilikisa | 121-123℃ | 122℃ | |||||
| Insimbi esindayo njenge-Pb | ≤10ppm | ||||||
| AS | ≤2ppm | ||||||
| Okuqukethwe kwe-chloride njenge-Cl | ≤0.014% | 0.01% | |||||
| Okuqukethwe kwamanzi | ≤0.5% | 0.32% | |||||
| I-asidi ye-phthalic | ≤100ppm | ||||||
| Isiphetho | Zonke izinto zingaphakathi ukuhambisana nokuhlolwa kweBanga Lokudla | ||||||
Ngokufigqiwe
Ngamafuphi, i-benzoic acid, njenge-organic acid ebalulekile kanye nesilondolozi, idlala indima ebalulekile embonini yokudla, yezemithi, yamakhemikhali kanye neyezimonyo. Ayigcini nje ngokuthuthukisa ukuzinza nokuphepha kwemikhiqizo kodwa futhi isekela intuthuko yemboni yesimanje. Ngokuthuthuka okuqhubekayo kwezobuchwepheshe kanye nesidingo esikhulayo samakhemikhali asebenzayo, amathuba okusetshenziswa kwe-benzoic acid azoba maningi nakakhulu.