Neutral Red

Name:
Neutral Red
Detailed information:

Chemistry name:	toluylene red; 3-amino-7-(dimethylamino)-2-methylphenazine monohydrochloride; CI 50040
M Formula:	(CH3)2NC6H3N2C6H2CH3NH2•HCl (tricyclic)
Properties:
Green powder. Dissolves in water or alcohol to give red color.
Use:
Acid-base indicator in the pH range 6.8–8.0 (red in acid, yellow-brown in alkali); biological stain.