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Thymolphthalein

  • CAS No:125-20-2 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
    Molecular Structure

    Detailed Description

    Thymolphthalein
    CAS NO.: 125-20-2
    Molecular formula: C28H30O4
    Molecular weight: 430.54
    Property : White or yellowish crystalline powder. dissolved in ethanol or diluted basic hydroxide solution,undissolved in water, melting point : about 245-246C.
    Use: acid-base indicator; chromatic spectrum analytic reagent.
    Melting point : 251.0- 255.0
    Range of PH: 9.0 (colorless) -10.2 (blue)
    Solubility test in ethanol: passed
    Solubility test in sodium hydroxide: passed
    Residue on ignition (sulfate): 0.1% Max.