Eosin B - ≥90% , CAS No.548-24-3

CAS: 548-24-3 Cat. No.: E100232 Summenformel: C₂₀H₆N₂O₉Br₂Na₂ Molekulargewicht: 624.06 Beilstein Registry Number: 4121964 EG-Nummer: 208-943-1 PubChem CID: 26697441

GRADE & PURITY ≥90%

Synonyms

4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt Acid Red 91 | Eosin bluish | Eosin Scarlet | Saffrosine Imperial Red | C.I. 45400 | 4,5-Dibromo-2,7-dinitrofluorescein disodium salt

Storage

Room temperature

Shipped In

Normal

Übersicht

Eosin B is a fluorescent red dye that is used in microscopy to visualise cytoplasm and proteins like collagen.
Eosin B is an adsorption and fluorescent indicator in microscopy.

Specifications

Synonyme

4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt Acid Red 91 | Eosin bluish | Eosin Scarlet | Saffrosine Imperial Red | C.I. 45400 | 4,5-Dibromo-2,7-dinitrofluorescein disodium salt

Spezifikationen & Reinheit

≥90%

Biochemische und physiologische Mechanismen

Eosin B is a xanthene dye and is also referred to as eosin bluish or erythrosin B. It is used in the Harris stain for Negri bodies. Eosin B is also used in Mayer’s Hemalum as a counterstain for collagen. Eosin B-Azure A are used together for the staining

Storage

Room temperature

Verschickt in

Normal

Reinheit

≥90%

Namen und Kennungen

• Pubchem Sid: 488200811
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488200811
• Kanonisches Lächeln: [Na+].[Na+].[O-][N+](=O)c1cc2c(c3ccccc3C(=O)[O-])c3cc([N+](=O)[O-])c([O-])c(Br)c3oc2c(Br)c1=O
• WGK Deutschland: 3
• PubChem CID: 26697441
• Molekulargewicht: 624.06
• Beilstein: 4121964

Chemische und physikalische Eigenschaften

• Löslichkeit: Soluble in water (390 g/L at 20°C), and ethanol.
• Empfindlichkeit: Moisture sensitive.