Product Description: Thymol Blue sodium is an acid-base indicator used to indicate changes in pH. Thymol Blue sodium fades from red to yellow at pH 1.2 to 2.8 and from yellow to blue at pH 8.0 to 9.6[1]. Storage: protect from light.
Formula: C27H30O5S
References: [1]Huining Zhang, et al. Spectrophotometric pH measurements of surface seawater at in-situ conditions: absorbance and protonation behavior of thymol blue. Marine Chemistry,Volume 52, Issue 1,1996, Pages 17-25.
CAS Number: 76-61-9
Molecular Weight: 466.59
Research Area: Others
Solubility: 10 mM in DMSO
Target: Fluorescent Dye