O-Cresolphthalein CAS 596-27-0

CAS:596-27-0

Tsarin kwayoyin halitta:Saukewa: C22H18O4

Nauyin Kwayoyin Halitta:346.38

EINECS:209-881-8

Ma’ana: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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Menene 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 sa na tushe shine siffar quinone kuma yana bayyana ja.