Bromophenol Blue sodium salt, 5 g

Bromophenol Blue is a pH indicator, and a dye appearing as a strong blue color. It is often used as a tracking dye during agarose or polyacrylamide gel electrophoresis. Bromophenol blue has a slight negative charge and will migrate the same direction as D A tracking dye for nucleic acid or protein electrophoresis in agarose or polyacrylamide gels.

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