Flourescein 95%, Sigma-Aldrich®
Leverantör: SIGMA-ALDRICH MICROSCOPY
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Varning
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Synonyms:
3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid
M-Clarity™ quality level = MQ200
F2456-100G
F2456-500G
F2456-100GEA
738
SEK
F2456-100G
F2456-500G
Flourescein 95%, Sigma-Aldrich®
Flourescein
Formel:
C₂₀H₁₂O₅ MW: 332,31 g/mol Smältpunkt: 320 °C (lit.) Storage Temperature: Room Temperature |
MDL Number:
MFCD00005050 CAS nummer: 2321-07-5 EINECS: 219-031-8 Merck Index: 13,04185 |
Specifikation testresultat
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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