Eritrosina B sal de disodio ≥80%, Sigma-Aldrich®
Proveedor: SIGMA ALDRICH MICROSCOPY
|
Atención
|
Sinónimos:
Erythrosina 239, C.I. 45430, 2-(2,4,5,7-Tetraiodo-6-óxido-3-oxoxanten-9-il)benzoato de disodio
M-Clarity™ quality level = MQ100
45690-10G-F
45690-50G-F
45690-10G-FEA
37.6
EUR
45690-10G-F
45690-50G-F
Eritrosina B sal de disodio ≥80%, Sigma-Aldrich®
2-(2,4,5,7-Tetraiodo-6-óxido-3-oxoxanten-9-il)benzoato de disodio
Erythrosin extra bluish is a brown color powder, that is soluble in ethanol and water. Its pH ranges from 2,5 to 4. It is used in color filters, light emitting diodes, cosmetics, hair dyes and more. It has several biological applications like detecting gene expression, treating age related macular degeneration, diabetes, obesity and more.
Formula:
C₂₀H₆I₄Na₂O₅ MW: 879,86 g/mol Pto. de inflamación: 182 °C (copa cerrada) |
Número MDL:
MFCD00144257 Núm. CAS: 16423-68-0 EINECS: 240-474-8 |
Resultados test especificaciones
Appearance (colour) | Red to very dark red and red-brown and very dark red-brown |
Appearance (form) | Powder or crystals |
Assay (gravimetr.) | ≥80% |
Thin layer chromatogr. | Corresponds to standard |
Solubility (colour) | Red to very dark red |
Solubility (turbidity) | Report result |
Solubility (method) | 0.1 g in 10 ml water |
Loss on drying | ≤10% |
Wavelength (1) (UV) | 520 - 530 nm |
Extinction (1%/1 cm) (1) (UV) | ≥800 |
Solvent (UV) | H₂O+1 ml 1% sodium carbonate |
Learn more
About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...