Neutral red acts as a pH indicator, changing from red to yellow between pH 6.8 and 8.0. A vital dye used as an indicator and biological stain. Various adverse effects have been observed in biological systems.
Neutral red is a eurhodin dye used for staining in histology. It stains lysosomes red. It is used as a general stain in histology, as a counterstain in combination with other dyes, for many staining methods. Together with Janus Green B, it is used to stain embryonal tissues and supravital staining of blood.
NEUTRAL RED INDICATOR AR is a long-term carcinogenic agent even though the total dose of 313 nm was 100 times less.
NEUTRAL RED INDICATOR AR Suitable for microscopy and microbiology and supravital staining of living blood cells.