O-Cresolphthalein CAS 596-27-0

CAS:596-27-0

Foromo ea molek'hule:C22H18O4

Boima ba Molek'hule:346.38

EINECS:209-881-8

Mantsoe a tšoanang: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

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O-Cresolphthalein CAS 596-27-0 ke eng?

O-cresol phthalein ke phofo ea kristale e tšoeu ho isa ho e mosehla. Sebaka se qhibilihang ke 216 ~ 217℃. E qhibiliha ka joala, ether le glacial acetic acid, e qhibiliha hanyenyane metsing, e sa qhibilihe ka benzene, e qhibiliha ka alkali e hlapollang. E sebelisoa e le sesupo sa acid-base ho chemistry ea analytical. E na le sebopeho sa lik'hemik'hale tse tšoanang le thepa ea 'mele le ea lik'hemik'hale ho phenolphthalein,' me mebala ea eona ea mebala e fapaneng ke 8.2 (e se nang mebala) -9.8 (e khubelu) (Phenolphthalein coloration range ke 8.2-10). Sebopeho sa eona sa asiti ke mofuta oa lactone e se nang mebala, 'me sebopeho sa eona sa motheo ke sebopeho sa quinone' me se bonahala se le khubelu.

Tlhaloso

Ntho	Tlhaloso
Sebaka se qhibilihang	223-225 °C
Ntho e belang	401.12°C (khakanyo e boima)
Botenya	1.1425 (khakanyo e fosahetseng)
Lenane la refractive	1.4400 (khakanyo)
pKa	9.40(ho 25℃)