4-Hydroxybenzoic acid CAS 99-96-7
A na-ejikarị 4-Hydroxybenzoic acid, nke a makwaara dị ka nipagin ester, eme ihe na soy sauce, jam, ihe ọṅụṅụ na-eme ka ahụ dị mma, wdg. Ọ bụ ntụ kristal na-enweghị agba ma ọ bụ kristal ọcha, ọ naghị esi isi ma na-enweghị ụtọ. Mmetụta mgbochi ire ere dị mma karịa benzoic acid na nnu sodium ya, yana oke ojiji nke ihe dị ka 1/10 nke sodium benzoate na oke ojiji nke pH 4-8.
| ihe | Nkọwapụta |
| Ebe isi mmiri | 213.5°C (atụmatụ dị oke njọ) |
| Njupụta | 1.46 g/cm3 |
| Ebe agbaze | 213-217 Celsius (ọkụ) |
| Nrụgide uzuoku | 0Pa na 20℃ |
| iguzogide | 1.4600 (atụmatụ) |
| Ọnọdụ nchekwa | Debe ya n'okpuru +30°C. |
A na-ejikarị 4-Hydroxybenzoic acid eme ihe dị ka ihe eji emepụta kemịkalụ dị mma, ebe a na-ejikwa parabens, nke a makwaara dị ka p-hydroxybenzoic acid esters, dị ka ihe nchekwa na nri, ọgwụ, na ihe ịchọ mma. A na-ejikwa ha nke ọma n'ịkwadebe agba dị iche iche, ọgwụ fungicides, ihe nkiri agba, na ọtụtụ ihe njikọta agba mmanụ. A na-ejikwa polyester p-hydroxybenzoic acid ọhụrụ nke na-eguzogide okpomọkụ dị elu, nke nwere ọtụtụ ojiji, dị ka ihe eji emepụta kemịkalụ dị mfe.
A na-ejikarị 25kg / drum eme ihe, a pụkwara ime ngwugwu ahaziri ahazi.
4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid CAS 99-96-7
