Trypan Blue Stain, 0.4%Data sheet
Trypan Blue Stain is a vital dye used to assess cell viability. Viable cells have intact cell membranes and are not stained, remaining colorless. Nonviable cells are stained blue. Trypan Blue Stain is used with the LUNA™ family of cell counters for brightfield cell counting.
A non-toxic alternative dye, Erythrosin B Stain, is also available.