I-Benzoic Acid: I-Organic Acid eqakathekileko ne-Preservative
Iindawo ezikulu zokusebenza
Ukusetjenziswa okukhulu kwe-benzoic acid kufaka hlangana ukusetjenziswa kwayo njengesilondolozi, i-asidi, ingcenye yephunga, kanye nephakathi ekubunjweni kwezinto eziphilako. Ebubulweni lokudla, i-benzoic acid yisilondolozi esisetjenziswa khulu esingakghona ukuvimbela ukukhula kweenlwanyana ezincani begodu sikhulise ipilo yokudla. Ivamise ukufakwa eensweni, amasoso, amajamu, emikhiqizweni ene-pickled, nokunye ukudla ukuqinisekisa ukuphepha nokuzinza kwawo. Ukwenza isibonelo, eenselweni ezinekhabhoni, i-benzoic acid ivimbela ukukhula kwamagciwane nesikhunta, igcine ikhwalithi yesiphuzo.
Ebubulweni lemithi, i-benzoic acid isetjenziselwa ukukhiqiza izinto eziphakathi kwemithi ethileko. Inikela ngesiqhema esisebenzako se-carboxyl esingahlanganyela ekuphenduleni kwe-organic synthesic ukukhiqiza ama-antibiotics, ama-antipiretic analgesics, neminye imithi. Phezu kwalokho, i-benzoic acid ingasetjenziselwa ukulawula i-pH yemithi, ukuqinisekisa ukuzinza kwayo nokutholakala kwayo. Ukwenza isibonelo, kwamanye amafutha we-antibiotic, i-benzoic acid isebenza njengesilondolozi ukukhandela bona amafutha angaboli.
Ebubulweni lamakhemikhali, i-benzoic acid yinto eqakathekileko ephakathi kokukhiqizwa kwezinto eziphilako. Ingasetjenziselwa ukwenza ama-esteri we-benzoic acid, afana ne-benzyl benzoate, asetjenziswa khulu emabubulweni wephunga nama-cosmetic. I-benzoic acid nayo ingenziwa yi-ester ukukhiqiza i-ethyl benzoate, esetjenziselwa ukwenza ama-polymer nama-resin. Ngaphezu kwalokho, i-benzoic acid ingasebenza njenge-asidi ekwakhiweni kwezinto eziphilako, ilawula i-pH yehlelo lokusabela ukukhuthaza ukusabela okuthileko.
Embonini yezimonyo, i-benzoic acid isetjenziselwa ukulawula i-pH yezimonyo, ukuqinisekisa ukuzinza nokuphepha kwemikhiqizo. Ingasebenza njengengcenye yephunga, inikeze iphunga elihlukileko eensetjenzisweni zokuzilungisa. Ukwenza isibonelo, kwamanye amakha nemikhiqizo yokutlhogomela isikhumba, i-benzoic acid isetjenziswa njengesilondolozi nephunga ukunweba ipilo yetjhelfu yemikhiqizo nokuthuthukisa iphunga layo.
I-benzoic acid yikhemikhali ephephileko, kodwana kufanele kuthathwe amagadango wokuvikela ngesikhathi sokusetjenziswa nokugcinwa. Kufanele igcinwe esitjeni esivaliweko ukugwema umswakama nokusilaphazeka. Iinsetjenziswa zokuzivikela ezifaneleko, ezifana namagilavu namagilasi, kufanele zigqokwe lokha naziphathwako ukukhandela ukuthintana nesikhumba namehlo.
Iinqophiso
| Ibizo lomkhiqizo | I-Benzoic Acid | |||||||||
| Ifomula yamakhemikhali | C₇H₆O₂ | |||||||||
| Ubunzima bamamolekhyuli | 122.12 | |||||||||
| Ukuvela | Ipuyere emhlophe | |||||||||
| Indawo yokuncibilika | 122.41°C | |||||||||
| Indawo yokubila | 249.2°C | |||||||||
| Ukuminyana | 1.2659 g/cm3 | |||||||||
| CAS NO | 65 - 85 - 0 | |||||||||
| Ikhodi ye-HS | 29163100 | |||||||||
| I-EINECS NO | 200 - 618 - 2 | |||||||||
| Isibawo | Amakhemikhali, izinto ezilondoloza ukudla, imithi, njll. | |||||||||
Iphepha lokulawula ikhwalithi
| Ibizo lomkhiqizo | I-Benzoic Acid | ||||||
| I-AYITHEMU | IMINTO EJWAYELEKILEKO | IMIPHUMELA YOKUHLOLA | |||||
| Okumunyethweko | ≥99.5% | 99.86% | |||||
| Indawo yokuncibilikisa | 121-123°C | 122°C | |||||
| Insimbi ebudisi njenge-Pb | ≤10ppm | ||||||
| NJENGE | ≤2ppm | ||||||
| Okuqukethwe kwe-chloride njenge-Cl | ≤0.014% | 0.01% | |||||
| Okuqukethwe kwamanzi | ≤0.5% | 0.32% | |||||
| I-phthalic acid | ≤100ppm | ||||||
| Isiphetho | Zoke izinto ziphakathi ukuvumelana nokuhlolwa kwebanga lokudla | ||||||
Ngokufingqa
Ngokurhunyeziweko, i-benzoic acid, njenge-organic acid eqakathekileko nesilondolozi, idlala indima ekulu emabubulweni wokudla, wemithi, wamakhemikhali, kanye newezithambiso. Akuthuthukisi ukuzinza nokuphepha kwemikhiqizo kwaphela kodwana kusekela ukuthuthukiswa kwebubulo lesimanjemanje. Ngokuragela phambili kwethekhnoloji nokufunwa okukhulako kwamakhemikhali asebenza kuhle, amathuba wokusetjenziswa kwe-benzoic acid azokubanzi khulu.