
Trypan Blue Stain TM071 — 0.4% aqueous solution (CAS 72-57-1, MW 960.81 g/mol), 100 ml. Dye exclusion cell viability stain: live cells exclude dye, dead cells stain blue. Sterility-tested (direct culture pass), lot-tested for pH, osmolality, and endotoxin. For haemocytometer and automated cell counting. Store 15–30 °C, do not freeze.