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.
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we are one of the biggest exporter and manufacturer in china. we supply indicator and biological reagents, general organic and inorganic reagents, PH-test papers, Universal, Indicator papers and Reagent papers
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