4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid, e tsejoang hape e le nipagin ester, e sebelisoa haholo-holo ka har'a soy sauce, jeme, lino tse khathollang, jj. Ke phofo e se nang 'mala e kristale kapa e tšoeu e kristale, e se nang monko ebile ha e na tatso. Tšusumetso ea ho thibela ho bola e phahametse benzoic acid le letsoai la eona la sodium, ka tekanyo ea tšebeliso ea hoo e ka bang 1/10 ea sodium benzoate le mefuta ea tšebeliso ea pH 4-8.
| Ntho | Tlhaloso |
| Sebaka sa ho belisa | 213.5°C (khakanyo e akaretsang) |
| Botenya | 1,46 g/cm3 |
| Sebaka sa ho qhibiliha | 213-217 °C (ka hora) |
| Khatello ea mouoane | 0Pa ho 20℃ |
| ho hanyetsa | 1.4600 (khakanyo) |
| Maemo a polokelo | Boloka ka tlase ho +30°C. |
Asiti ea 4-Hydroxybenzoic e sebelisoa haholo e le thepa ea motheo e tala bakeng sa lihlahisoa tse ntle tsa lik'hemik'hale, ha li-parabens, tse tsejoang hape e le li-ester tsa p-hydroxybenzoic acid, li 'nile tsa sebelisoa haholo e le li-preservative lijong, meriana le litlolong. Li boetse li sebelisoa haholo ho lokiseng lidae tse fapaneng, li-fungicide, filimi ea 'mala le li-couplers tse fapaneng tsa 'mala o qhibilihang ka oli. Polyester e ncha ea polymer p-hydroxybenzoic acid e hanelang mocheso o phahameng, e nang le mefuta e mengata ea lits'ebetso, e boetse e sebelisoa e le thepa ea motheo e tala.
Hangata e pakoa ka 25kg/moropa, hape e ka etsoa ka sephutheloana se ikhethileng.
4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid CAS 99-96-7
