thymol blue


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thymol blue

[thī‚mȯl ′blü]
(organic chemistry)
C6H4SO2OC[C6H2(CH3)(OH)CH(CH3)2]2 Brown-green crystals soluble in alcohol and dilute alkalies, insoluble in water, decomposes at 223°C; used as acid-base pH indicator.
References in periodicals archive ?
The common indicator solutions include thymol blue, methyl orange, bromthymol blue, phenolphthalein, and bromphenol blue.
A 1mM standard solution of methyl thymol blue was prepared by dissolving a calculated quantity of the A.
05 N solution of KOH in ethanol was used as a titration agent with the use of 1% thymol blue in dimethyl formamide as an indicator.
A 1% solution of thymol blue in DMF was added as indicator and a known excess of ethanolic KOH (0.