O-Cresolphthalein CAS 596-27-0
O-cresol phthalein bụ ntụ ntụ kristal na-acha ọcha na-acha odo odo.Ebe mgbaze 216 ~ 217 ℃.Soluble na mmanya, ether na glacial acetic acid, ubé soluble na mmiri, insoluble na benzene, soluble na itughari alkali.A na-eji ya dị ka ihe ngosipụta acid-base na kemistri nyocha.O nwere usoro kemịkalụ yiri nke ahụ yana ihe anụ ahụ na kemịkal na phenolphthalein, yana ụdị ngbanwe agba ya bụ 8.2 (enweghị agba) -9.8 (red) (Phenolphthalein agba agba agba bụ 8.2-10).Ọdịdị acid ya bụ ụdị lactone na-enweghị ụcha, usoro ntọala ya bụ ụdị quinone ma na-acha uhie uhie.
| Ihe | Nkọwapụta |
| Ebe mgbaze | 223-225 Celsius C |
| Ebe esi nri | 401.12C (atụmatụ siri ike) |
| Njupụta | 1.1425 (atụmatụ siri ike) |
| Ntụgharị ntụgharị | 1.4400 (atụmatụ) |
| pKa | 9.40 (na 25 ℃) |
A na-eji O-Cresolphthalein mee ihe dị ka ihe nrịbama acid-base nwere oke ngbanwe nke pH8.2 (enweghị agba) ruo 9.8 (acha ọbara ọbara).
25kg / drum ma ọ bụ dị ka ndị ahịa chọrọ.
O-Cresolphthalein CAS 596-27-0
O-Cresolphthalein CAS 596-27-0
