Tags: Chemical Compound, Chemical Substance.
Ponceau S Acid Red 112 or C.I. 27195 is a sodium salt of a diazo dye of a light red color that may be used to prepare a stain for rapid reversible detection of protein bands on nitrocellulose or polyvinylidene fluoride (PVDF) membranes (Western blotting) as well as on cellulose acetate membranes.
