O-Cresolphthalein CAS 596-27-0
O-cresol phthalein foda ne mai launin fari zuwa rawaya mai haske. Matsayin narkewa 216 ~ 217℃. Yana narkewa a cikin barasa, ether da glacial acetic acid, yana narkewa kaɗan a cikin ruwa, ba ya narkewa a cikin benzene, yana narkewa a cikin alkaline mai narkewa. Ana amfani da shi azaman alamar tushen acid a cikin ilmin sunadarai. Yana da tsarin sinadarai iri ɗaya da halayen zahiri da na sinadarai kamar phenolphthalein, kuma kewayon canza launi nasa shine 8.2 (mara launi) - 9.8 (ja) (Rage canza launi na Phenolphthalein shine 8.2-10). Tsarin acid ɗinsa ba shi da launi na lactone, kuma tsarin tushensa shine siffar quinone kuma yana bayyana ja.
| Abu | Ƙayyadewa |
| Wurin narkewa | 223-225 °C |
| Wurin tafasa | 401.12°C (ƙiyasin da ba a yi ba) |
| Yawan yawa | 1.1425 (kimanin ƙiyasin) |
| Ma'aunin haske | 1.4400 (kimantawa) |
| pKa | 9.40(a 25℃) |
Ana amfani da O-Cresolphthalein a matsayin alamar acid-tushe tare da kewayon canza launi na pH8.2 (mara launi) zuwa 9.8 (ja).
25kg/ganga ko kuma bisa ga buƙatun abokin ciniki.
O-Cresolphthalein CAS 596-27-0
O-Cresolphthalein CAS 596-27-0
