1.15936

Erythrosine B (C.I. 45430)

for microscopy Certistain^®

• Sinónimos: Erythrosine B (C.I. 45430), Tetraiodofluorescein disodium salt
• Fórmula empírica (notación de Hill): C₂₀H₆I₄Na₂O₅
• Número de CAS: 16423-68-0
• Peso molecular: 879.86
• Número MDL: MFCD00144257
• Código UNSPSC: 41116130
• Número índice de la CE: 240-474-8

Propiedades

• Nivel de calidad: 400
• Formulario: solid
• potencia: 1840 mg/kg LD₅₀, oral (Rat)
• composición: Dye, ≥80% gravimetric
• pH: 6-7 (20 °C, 10 g/L in H₂O)
• solubilidad: 100 g/L
• densidad aparente: 470 kg/m³
• εmax: 930-1170 at 524-527 nm in water at 0.005 g/L
• aplicaciones: diagnostic assay manufacturing; hematology; histology
• temp. de almacenamiento: 2-30°C
• cadena SMILES: [Na+].[Na+].Ic1c2c(cc(c1[O-])I)C(=C4C(=C(C(=O)C(=C4)I)I)O2)c3c(cccc3)C(=O)[O-]
• InChI: 1S/C20H8I4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
• Clave InChI: IINNWAYUJNWZRM-UHFFFAOYSA-L

Descripción

Descripción general

Erythrosin B (C.I. 45430)for microscopy Certistain^®, is a dry dye for microscopy that is often used as a counterstain, vizualising proteins, connective tissues, fibers and keratin in sample material of human origin. Depending on user requirements and personal preferences, it can be used for the preparation of the commonly used aqueous or alcoholic Erythrosin B staining solutions. As the dye belongs to the portfolio of Certistain^® dyes, it is chemically analyzed according to strict specifications before release (CE marked and IVD product) and a high staining quality, with reliable staining results is guaranteed. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Nota de análisis

Dye content (gravimetrically): ≥ 80 %
Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (water): 524 - 527 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.005 g/l; water): 930 - 1170
TLC-Test: passes test
Loss on drying (110 °C): ≤ 10 %
Suitability for microscopy: passes test

Información legal

CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• Pictogramas: GHS07
• Palabra de señalización: Warning
• Frases de peligro: H302 - H413
• Consejos de prudencia: P264 - P270 - P273 - P301 + P312 - P501
• Clasificaciones de peligro: Acute Tox. 4 Oral - Aquatic Chronic 4
• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 1
• Punto de inflamabilidad (°C): 182 °C - closed cup