Methyl 4-hydroxybenzoate Methylparaben CAS No.99-76-3
Tlhaloso ea Lihlahisoa
- Methyl 4-hydroxybenzoate, eo hape e tsejoang e le Methyl Paraben, haholo-holo e sebelisoang joalo ka sebolaya-mafu bakeng sa organic synthesis, lijo, litlolo, meriana, hape e sebelisoa joalo ka phepelo ea phepelo.
- Methyl 4-hydroxybenzoate ke lintho tse phelang. Ka lebaka la sebopeho sa eona sa phenolic hydroxyl, e na le thepa ea antibacteria e betere ho feta benzoic acid le sorbic acid. Mosebetsi oa paraben o bakoa haholo-holo ke boemo ba limolek'hule, 'me sehlopha sa hydroxyl ka molek'hule se entsoe esterified' me ha se sa le ionized. Ka hona, e na le phello e ntle sebakeng sa pH 3 ho ea ho 8. Ke ntho e sa sebetseng ea lik'hemik'hale 'me e bonolo ho lumellana le lintho tse sa tšoaneng tsa lik'hemik'hale.
Sehlahisoa Tšobotsi
- Tshebetso e tsitsitseng;
- Ho ke ke ha e-ba le ho bola kapa phetoho ea mosebetsi tlas'a mocheso o phahameng;
- Habonolo e lumellana le lintho tse sa tšoaneng tsa lik'hemik'hale;
- Tšebeliso ea moruo le ea nako e telele.
Tlhahlobo ea Motheo
| Lintho | Tlhaloso |
| Ponahalo | Phofo e tšoeu ea kristale |
| Litaba tsa AI (%) | 99.0-100.0 |
| Sebaka se qhibilihang (℃) | 125-128 |
| Asiti (pH) | 4.0-7.0 |
| Masala a ho tima (%) | Max0.1 |
Lisebelisoa
- E sebelisoa bakeng sa antiseptic ea ho hlatsoa lik'hemik'hale tsa letsatsi le letsatsi (mokelikeli oa liaparo, gel ea ho hlapa, shampoo, sesepa, joalo-joalo).
- E boetse e sebelisetsoa ho thibela likokoana-hloko lijong, lihlahisoa tsa letsatsi le letsatsi tsa indasteri, ho thibela likokoana-hloko, indasteri ea masela (masela, khoele ea k'hothone, fiber ea lik'hemik'hale), joalo-joalo.
Ngola molaetsa wa hao mona mme o re romele wona
