199540

Ethyl eosin

certified by the Biological Stain Commission

• Synonym(s): Eosin alcohol soluble, 2′,4′,5′,7′-Tetrabromoeosin ethyl ester potassium salt, Solvent Red 45
• Empirical Formula (Hill Notation): C₂₂H₁₁Br₄KO₅
• CAS Number: 6359-05-3
• Molecular Weight: 714.03
• Colour Index Number: 45386
• EC Number: 228-793-0
• MDL number: MFCD00005039
• UNSPSC Code: 12171500
• PubChem Substance ID: 24851925
• NACRES: NA.47

Properties

• grade: certified by the Biological Stain Commission
• Quality Level: 200
• form: powder
• composition: Dye content, 95%
• λmax: 532 nm
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [K+].CCOC(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(Br)=C3Oc4c(Br)c([O-])c(Br)cc24
• InChI: 1S/C22H12Br4O5.K/c1-2-30-22(29)10-6-4-3-5-9(10)15-11-7-13(23)18(27)16(25)20(11)31-21-12(15)8-14(24)19(28)17(21)26;/h3-8,27H,2H2,1H3;/q;+1/p-1
• InChI key: UKZQEOHHLOYJLY-UHFFFAOYSA-M

Description

Suitability

Certified for use in the Stoval and Black method for demonstrating Negri bodies in the central nervous system of rabid animals.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)