Fluorescein 95% (dye content), Sigma-Aldrich®

: SIGMA ALDRICH MICROSCOPY

Fluorescein 95% (dye content), Sigma-Aldrich®

: SIGMA ALDRICH MICROSCOPY

:2321-07-5

:

:C₂₀H₁₂O₅

:MFCD00005050

:332.31 g/mol

:13,04185

:320 °C (lit.)

:M-Clarity™ quality level = MQ200

:219-031-8

:GHS07

:Room Temperature

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
undefined:
50 mg/ml, 1 N NaOH; Clear to opaque orange to Orange-Green Or Orange Brown Solution

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