Application

Useful as an indicator for preparing neutral red paper, and as a biological stain.

Neutral red has been used to stain mouse mammary glands.

General description

Neutral red is a vital dye widely used as a cellular pH indicator and is selective for shifts in pH. It is highly lipophilic in nature. It favours membrane potential dependent fluorescence that attributes to changes in hydrophobicity.

ε_max	≥800 at 535-545 nm
application(s)	diagnostic assay manufacturinghematologyhistology
form	powder or crystals
grade	indicator (pH 6.8-8.0), for microscopy (Bact., Bot., Fl., Hist., Vit.)
InChI key	PGSADBUBUOPOJS-UHFFFAOYSA-N
InChI	1S/C15H16N4.ClH/c1-9-6-13-15(8-11(9)16)18-14-7-10(19(2)3)4-5-12(14)17-13;/h4-8H,16H2,1-3H3;1H
mp	290 °C (dec.) (lit.)
pH	6.8-8.0, red to yellow
Quality Level	100
SMILES string	Cl.CN(C)c1ccc2nc3cc(C)c(N)cc3nc2c1
solubility	water: 0.01 g/10 mL
storage temp.	room temp
technique(s)	titration: suitable

Safety Data Sheet for 72210-25G

Cas Number

553-24-2

This product has met the following criteria to qualify for the following awards:

Neutral Red, for microscopy (Bact., Bot., Fl., Hist., Vit.), indicator (pH 6.8-8.0)

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