NEUTRAL RED 60% excellent quality manufacturer, exporter and supplier. Neutral red 60% is a eurhodin dye used for staining in histology and acts as a pH indicator, changing from red to yellow between pH 6.8 and 8.0. It stains lysosomes red. It is used as a general stain in histology, as a counterstain in combination with other dyes, and for many staining methods.NEUTRAL RED 60% used as an indicator for preparing neutral red paper, and as a biological stain. Neutral red is added to some growth media for bacterial and cell cultures.In microbiology, it is used in the MacConkey agar to differentiate bacteria for lactose fermentation.
Note
Specification:::
Composition ::: Dye content, ~60%
pH range ::: 6.8 - 8.0, red to yellow
mp ::: 290 °C (dec.)(lit.)Specification:::
Composition ::: Dye content, ~60%
pH range ::: 6.8 - 8.0, red to yellow
mp ::: 290 °C (dec.)(lit.)
C.A.S. No.
553-24-2
CI NO.
50040
M.F.
C15H17 N4Cl
M.W.
288.78gm/mole
Specifications:
Dye Content (by Spectrophotometry)
>60%
Transition Range
pH 6.8-8.0
Violet Red- Yellow
Solubility 0.1% (50% EtOH)
Clear solution
Absorption Maximum (50%EtOH+2ml Acetic Acid) ?max
539-544nm
Absorptivity (A1%,1cm in 50% EtOH+2ml Acetic Acid, at ?max)