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o-Cresolphthalein

  • CAS No:596-27-0 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
    Molecular Structure

    Detailed Description

    o-Cresolphthalein
    CAS NO.: 596-27-0
    Synonyms: 3,3-Bis (4-hydroxy-3-methyl phenyl)-1-(3H)-iso-benzofuranone; Di-o-cresol phthalide; 3楹?Dimethylphenolphthalein; OCP.
    Molecular formula: C22H18O4
    Molecular weight: 346.38
    Property : Colorless crystal or white, light yellow powder. Solubility in ethanol, less solubility in water.. mp 223C. 浣?max 566 (381)nm.
    Range of PH: 8.2 ~ 9.8 (from colorless to red)
    Main use: acid-base indicator.
    Solubility test in ethanol: pass