Applications
Erythrosin B, also called Acid Red 51, is used as a food colorant, in printing inks and as a biological stain in plant anatomy. It finds application as a dental plaque disclosing agent and a sensitizer for orthochromatic photographic films. As a food additive, it is commonly used in sweets like candies, popsicles and in cake-decorating gels. It is an important dye used in the determination of cell viability and used as phosphorescent triplet probe to detect rotational diffusion of membrane proteins.

Solubility
Soluble in water, glycerin and methanol.

Notes
Light sensitive and hygroscopic. Keep the container tightly closed in a dry and well-ventilated place.Incompatible with oxidizing agents.