O-Cresolphthalein CAS 596-27-0

CAS:596-27-0

Usoro Molekụla:C22H18O4

Ibu Molekụla:346.38

EINECS:209-881-8

Okwu ndị yiri ya:3',3''-dimethyl-phenolphthalei; cresolphthalein; Di-o-Cresolphthalide; o-Cresolphalein; o-cresolphtaleine; 3,3-bis(4-hydroxy-3-methylphenyl)-1(3h)-isobenzofuranon; 3,3-Bis(4-hydroxy-3-methylphenyl)-1-(3H)-iso-benzofuranone

Hapụ Ozi Gị

Nkọwa Ngwaahịa

Budata

Akara Ngwaahịa

Kedu ihe bụ O-Cresolphthalein CAS 596-27-0?

O-cresol phthalein bụ ntụ ntụ kristal ọcha ruo odo odo dị nro. Ebe agbaze agbaze 216 ~ 217℃. A na-agbaze na mmanya, ether na glacial acetic acid, a na-agbaze ntakịrị na mmiri, a naghị agbaze na benzene, a na-agbaze na alkali dị nro. A na-eji ya dị ka ihe ngosi acid-base na kemistri nyocha. O nwere nhazi kemịkalụ na ihe onwunwe anụ ahụ na kemịkalụ yiri nke phenolphthalein, oke agba ya bụ 8.2 (enweghị agba) - 9.8 (uhie) (oke agba Phenolphthalein bụ 8.2-10). Nhazi acid ya bụ ụdị lactone na-enweghị agba, ntọala ya bụ ụdị quinone ma na-acha ọbara ọbara.

Nkọwapụta

ihe	Nkọwapụta
Ebe agbaze	223-225 Celsius
Ebe isi mmiri	401.12°C (atụmatụ dị oke njọ)
Njupụta	1.1425 (atụmatụ siri ike)
Ndekọ Refractive	1.4400 (atụmatụ)
pKa	9.40 (na 25℃)