AZOCARMINE G

Chemical properties

Dark red or purple powder

The Uses of AZOCARMINE G

Azocarmine G (CAS# 25641-18-3) is an organic dye used as a redox indicator in titrations with chloramine-?T.

What are the applications of Application

Azocarmine G is a stain used for micoscopy. Azocarmine G may be used as a reference standard for the determination of the analyte in food and beverages.

Definition

ChEBI: An organic sodium salt having 7-phenyl-5-(4-sulfonatoanilino)benzo[a]phenazin-7-ium-3-sulfonate as the couterion.

Preparation

4-(Phenyldiazenyl)naphthalen-1-amine with aniline and aniline hydrochloride heating, the resulting Phenyl Rosinduline fuming sulfuric acid with two stlfonation, again as sodium salt out of segregation.

Properties and Applications

blue-ray red. Soluble in water for blue-ray red. The strong sulfuric acid for green, red precipitate after diluted. Add in aqueous solution hydrochloric acid have red precipitate; Add water to dissolve.