O-Cresolphthalein CAS 596-27-0
O-cresol phthalein fari ne zuwa haske rawaya crystalline foda.Matsayin narkewa 216 ~ 217 ℃.Mai narkewa a cikin barasa, ether da glacial acetic acid, dan kadan mai narkewa cikin ruwa, mai narkewa a cikin benzene, mai narkewa a cikin alkali mai narkewa.An yi amfani dashi azaman mai nuna alamar acid-tushe a cikin ilmin sunadarai.Yana da nau'in sinadarai iri ɗaya da sifofin jiki da sinadarai zuwa phenolphthalein, kuma kewayon canza launinsa shine 8.2 (marasa launi) -9.8 (ja) (Kewayon canza launin Phenolphthalein shine 8.2-10).Tsarin acid ɗin sa nau'in lactone mara launi ne, kuma tsarin tushensa shine sigar quinone kuma yana bayyana ja.
| Abu | Ƙayyadaddun bayanai |
| Wurin narkewa | 223-225 ° C |
| Wurin tafasa | 401.12°C |
| Yawan yawa | 1.1425 |
| Indexididdigar refractive | 1.4400 (kimanta) |
| pKa | 9.40 (a 25 ℃) |
Ana amfani da O-Cresolphthalein azaman alamar tushen acid tare da kewayon canza launin pH8.2 (marasa launi) zuwa 9.8 (ja).
25kg / drum ko bisa ga abokin ciniki bukatun.
O-Cresolphthalein CAS 596-27-0
O-Cresolphthalein CAS 596-27-0
