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
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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

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