Erythrosin B disodium salt ≥80%, Sigma-Aldrich®
Fornecedor: SIGMA ALDRICH MICROSCOPY
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Atenção
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Nível de qualidade M-Clarity™ = 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.
Fórmula:
C₂₀H₆I₄Na₂O₅ |
Número MDL :
MFCD00144257 Número CAS: 16423-68-0 EINECS: 240-474-8 |
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Especificações dos Resultados do Teste
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 |
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