Fluorescéine 95% (teneur en colorant), Sigma-Aldrich®
Marques : SIGMA ALDRICH MICROSCOPYTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Acide 2-(6-hydroxy-3-oxo-(3H)-xanthène-9-yl)benzoïque
M-Clarity™ (Niveau de qualité) = MQ200
Formule:
C₂₀H₁₂O₅ Point de fusion: 320 °C (lit.) Température de stockage: Room Temperature |
Numéro MDL:
MFCD00005050 Numéro CAS: 2321-07-5 EINECS: 219-031-8 Indice Merck: 13,04185 |
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Résultats des tests de spécification
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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