Fluoresceína 95% (dye content), Sigma-Aldrich®
Proveedor: SIGMA-ALDRICH MICROSCOPY
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Atención
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M-Clarity™ quality level = MQ200
F2456-100G
F2456-500G
F2456-100GEA
68.1
EUR
F2456-100G
F2456-500G
Fluoresceína 95% (dye content), Sigma-Aldrich®
Fluoresceína
Formula:
C₂₀H₁₂O₅ Pto. de fusión: 320 °C (lit.) Temperatura de almacenaje: Room Temperature |
Número MDL:
MFCD00005050 Núm. CAS: 2321-07-5 EINECS: 219-031-8 Índice Merck: 13,04185 |
Resultados test especificaciones
Appearance | Orange to red-brown or maroon powder |
Infrared Spectrum | Conforms to structure and standard. |
UV-Visible Spectrum |
0.003 g/L, 0.01 N NaOH E(490 +/- 2 Nm) = >70,000 E(284 +/- 2 Nm) = >12,000 E(238 +/- 2 Nm) = >39,000 |
Titration | 94.5%-105.5% (With NaOH) |
Solubility | 1 mg/ml 1 N NaOH; Clear orange-green to orange brown solution |
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