O-Cresolphthalein CAS 596-27-0

CAS;596-27-0

Formulae hypotheticae:C22H18O4

Pondus hypotheticum:346.38

EINECS:209-881-8

Synonyma: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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Quid est O-CRESOLPHTHALEIN CAS 596-27-0?

O-cresol phthalein album est ad pulverem crystallinum luteum. punctum liquefactum 216~217℃. Solutum in alcohole, acido aethere et glaciali acetico, in aqua leviter solubile, in benzene solubile, in alcali dilute solutum. Adhibetur ut indicator basi acidus in chemia analytica. Similis structurae chemicae et physicae et chemicae proprietatibus phenolphthalein similis est, eiusque color color decoloratio 8.2 (hyalina) -9.8 (rubrum) (Phenolphthalein color coloratus 8.2-10). Eius acidum structura forma lactonis sine colore est, et basis quinona forma est et rubra videtur.

Specification

Item	Specification
punctum liquescens	223-225 °C
fervens	401.12° F (aestimatio aspera)
Densitas	1.1425 (aestimatio aspera)
Refractivus index	1.4400 (aestima)
pKa	9.40(at 25℃)