Erythrosin B disodium salt ≥80%, Sigma-Aldrich®
Fornitore: SIGMA-ALDRICH MICROSCOPY
|
Attenzione
|
Synonyms:
Erythrosina 239, C.I. 45430
M-Clarity™ quality level = MQ100
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 Peso molecolare: 879,86 g/mol Flash Pt: 182 °C (coppa chiusa) |
MDL Number:
MFCD00144257 CAS Number: 16423-68-0 EINECS: 240-474-8 |
Risultati del test di specificazione
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...