ETHYL EOSIN Property

Melting point:

>200℃

solubility 

Soluble in hot water; slightly soluble in ethanol

form 

crystals or powder

Colour Index 

45386

color 

Red-brown

Water Solubility 

Freely soluble

λmax

532 nm

Biological Applications

Drug delivery and tissue engineering; photodynamic therapy; dental materials; treating cancer,diabetes; wound dressing materials

Safety

Safety Statements 

22-24/25

WGK Germany 

3

HS Code 

32041900

Hazard and Precautionary Statements (GHS)

ETHYL EOSIN Chemical Properties,Usage,Production

Chemical Properties

red to brown powder

Uses

Ethyl eosin is a histological stain that has been used in the Stoval and Black method for illustrating Negri bodies in the central nervous system of rabid animals. Dyes and metabolites.

Definition

ChEBI: An organic potassium salt having 2,4,5,7-tetrabromo-9-{2-[(ethyloxy)carbonyl]phenyl}-3-oxo-3H-xanthen-6-olate as the counterion.

Preparation

Fluorescein (C.I. Acid Yellow 73, C.I. 45350) in water or ethanol solution bromide into four bromine derivatives, and then into sodium salt, then product (C.I. Acid Red 87) ethyl ester and translated into potassium.

Properties and Applications

brilliant blue light red. Slightly soluble in hot water for cherry red, with weak green yellow fluorescence, slightly soluble in ethanol to red, with brown light yellow fluorescence. In concentrated sulfuric acid to yellow, dilution after brown light yellow precipitation.