ETHYL EOSIN
Synonym(s):2′,4′,5′,7′-Tetrabromoeosin ethyl ester potassium salt;Eosin alcohol soluble;Solvent Red 45
- CAS NO.：6359-05-3
- Empirical Formula: C22H13Br4KO5
- Molecular Weight: 716.06
- MDL number: MFCD00005039
- EINECS: 228-793-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is ETHYL EOSIN?
Chemical properties
red to brown powder
The Uses of ETHYL EOSIN
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.
What are the applications of Application
Ethyl eosin is a histological stain used in the Stoval and Black method for illustrating Negri bodies in the central nervous
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.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | Dissole | Good | Good | ||
Properties of ETHYL EOSIN
| Melting point: | >200℃ |
| solubility | Soluble in hot water; slightly soluble in
ethanol |
| Colour Index | 45386 |
| form | crystals or powder |
| 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 information for ETHYL EOSIN
Computed Descriptors for ETHYL EOSIN
Abamectin manufacturer
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