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Fluorescéine 95% (teneur en colorant), Sigma-Aldrich®

Marques : SIGMA ALDRICH MICROSCOPY
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

Attention

Synonyme(s): Acide 2-(6-hydroxy-3-oxo-(3H)-xanthène-9-yl)benzoïque

M-Clarity™ (Niveau de qualité) = MQ200

F2456-100G F2456-500G
F2456-100GEA 73.3 EUR
F2456-100G F2456-500G
Fluorescéine 95% (teneur en colorant), Sigma-Aldrich®
Fluorescéine
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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Commander maintenant

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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