Name:Thymol blue Cas No:76-59-5 MF:C27H30O5S Use:indicator Appearance:reddish brown powder

Name:Thymol blue

General introduction:Thymol blue (thymolsulphonephthalein) is a brownish-green or reddish-brown crystalline powder that is used as a pH indicator. It is insoluble in water but soluble in alcohol and dilute alkali solutions. It transitions from red to yellow at pH 1.2–2.8 and from yellow to blue at pH 8.0–9.6.

Thymol blue