4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid, eo hape e tsejoang e le nipagin ester, e sebelisoa haholo ka soy sauce, jeme, lino tse khathollang, joalo-joalo Ke kristale e se nang mebala kapa phofo e tšoeu ea crystalline, e sa nkheng ebile e sa latsoehe. Matla a anti-corrosion a phahametse asiti ea benzoic le letsoai la eona la sodium, ka palo ea tšebeliso e ka bang 1/10 ea sodium benzoate le mefuta e mengata ea tšebeliso ea pH 4-8.
Ntho | Tlhaloso |
Ntho e belang | 213.5°C (khakanyo e boima) |
Botenya | 1,46 g/cm3 |
Sebaka se qhibilihang | 213-217 °C (hote.) |
Khatello ea mouoane | 0Pa ka 20 ℃ |
ho hanyetsana | 1.4600 (khakanyo) |
Maemo a polokelo | Boloka ka tlase ho +30°C. |
4-Hydroxybenzoic acid e sebelisoa haholo-holo e le lisebelisoa tsa motheo tsa lihlahisoa tsa lik'hemik'hale tse ntle, ha li-parabens, tse tsejoang hape e le p-hydroxybenzoic acid ester, li 'nile tsa sebelisoa haholo e le li-preservatives lijong, meriana le litlolo. Li boetse li sebelisoa haholo ha ho etsoa lidae tse fapa-fapaneng, li-fungicides, filimi ea mebala, le mefuta e fapaneng ea mebala e qhibilihang ka oli. Polymer e ncha e hanyetsanang le mocheso o phahameng oa p-hydroxybenzoic acid polyester, e nang le mefuta e mengata ea lisebelisoa, e boetse e sebelisoa e le thepa ea motheo e tala.
Hangata e tletse 25kg / moropa, hape e ka etsoa sephutheloana se ikhethileng.
4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid CAS 99-96-7