Bromothymol Blue Indicator is a pH indicator, used for reactions between strong acids and bases.
Bromothymol blue sodium salt 0.04 gm, Distilled water 100.0ml
At pH 6.0, the solution turns yellow and at pH 7.6, the solution is blue.
Dark ink blue coloured solution
Clear without any particles.
Store between 10- 30°C.
Blue has a wavelength of around 480 nm and will make your sample visible. If your sample is too concentrated you can dissolve it in water.