Application
Bromocresol Green (BCG) is used widely as a vital stain to study blood-brain permeability. Mainly, BCG serves as a pH indicator in biology and medicinal experiments. Bromocresol Green is suitable as a selective inhibitor in kidney physiology studies. BCG is used as a tracking dye for DNA agarose gel electrophoresis, in protein determinations, and in charge-transfer complexation processes. In TLC BCG is used for the visualisation of the compounds with functional groups whose pKa is below 5.0.
General description
Bromocresol Green (BCG), also known as Bromcresol Green, is an acidic dye and belongs to the phthalein and sulphonphthalein dyes group. The dye color changes from yellow to blue-green at pH 3.8-5.4. The monosodium salt of the dye is 4% soluble in water and 6% in ethanol. The dye at a higher pH level produces a large and weakly lipophilic dianion.
Packaging
5, 25 g in glass bottle
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