Acid Red 92

Chemical properties

red-brown powder

The Uses of Acid Red 92

Phloxine B acts as the sensitizers of dye-sensitized solar cells. Also, it is a fluorescein photoactive dye. Dyes and metabolites, Environmental Testing.

What are the applications of Application

Phloxine B is a fluorescein photoactive dye

Indications

For use in dental disclosing products, allowing for highlighting of bacterial placques.

Background

Phloxine B (commonly known simply as phloxine, also known as D&C RED NO. 28) is a color additive which is used both as an inactive ingredient to provide color to products, or as a colorant in dental disclosing tablets. These tablets allow patients to visualise areas where more brushing and flossing are needed.

Preparation

the Resorcinol and 4,5,6,7-Tetrachloroisobenzofuran-1,3-dione condensation, get 3,4,5,6-Tetrachlorophthalic acid four bromination, and translated into sodium salt.

Flammability and Explosibility

Non flammable

Safety Profile

Poison by intravenous route. An experimental teratogen. Other experimental reproductive effects. When heated to decomposition it emits very toxic fumes of Br-, Cl-, and NazO.

Metabolism

Not Available

Properties and Applications

brilliant pink. Soluble in water for red light blue, with weak dark green fluorescent, soluble in ethanol for blue light red, with a brick red fluorescence. In concentrated sulfuric acid for yellow, diluted into yellow red precipitation.