AdipoGen Phenol red sodium salt

Supplier:  AdipoGen CDXP0026G050

Chemical. CAS 34487-61-1. Formula C19H13O5S . Na. MW 376.36. Synthetic Water soluble pH indicator used in the 6.8 yellow to 8.2 red range and frequently used in cell biology laboratories. Widely used as cell tissue culture pH marker. A small amount of phenol red added to the growth medium will have a pink-red color under normal conditions. Typically, 15 mg/l are used for cell culture. In the event of problems, waste products produced by dying cells or overgrowth of contaminants will cause a change in pH, leading to a change in indicator color. For example, a culture of relatively slowly dividing mammalian cells can be quickly overgrown by bacterial contamination. This usually results in an acidification of the medium, turning it yellow. The waste products produced by the mammalian cells themselves will slowly decrease the pH, gradually turning the solution orange and then yellow.

Catalog No. 50-256-0268