Eosin B - ≥90% , CAS No.548-24-3

CAS: 548-24-3 Cat. No.: E100232 Fórmula: C₂₀H₆N₂O₉Br₂Na₂ Peso molecular: 624.06 Beilstein Registry Number: 4121964 Número EC: 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

Descripción general

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

Sinónimos

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

Especificaciones y pureza

≥90%

Mecanismos bioquímicos y fisiológicos

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

Condiciones de almacenamiento de almacenamiento

Room temperature

Enviado en

Normal

Pureza

≥90%

Nombres e identificadores

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

Propiedades químicas y físicas

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