Thymolphthalein
-
Molecular Structure
Detailed Description
Thymolphthalein
CAS NO.: 125-20-2
Molecular formula: C28H30O4
Molecular weight: 430.54
Property : White or yellowish crystalline powder. soluble in ethanol or diluted basic hydroxide solution, Insoluble in water.
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.