Neutral red (toluylene red, Basic Red 5, or C.I. 50040) is a eurhodin dye used for staining in histology. It stains lysosomes red.
N 1437 (OTTO) Neutral red Cas 553-24-2 - used for staining in histology. It stains lysosomes red. N 1437 (OTTO) Neutral red Cas 553-24-2 - used as an indicator for preparing neutral red paper, and as a biological stain.