Xilene cianolo FF ≥75% (dye content), Sigma-Aldrich®
Fornitore: SIGMA-ALDRICH MICROSCOPY
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Attenzione
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Synonyms:
C.I. 42135
M-Clarity™ quality level = MQ200
Xylene cyanol is often used as a tracking dye during agarose or polyacrylamide gel electrophoresis. It has a slightly negative charge and will migrate in the same direction as DNA, allowing the user to monitor the progress of molecules moving through the gel. The tracking dye typically migrates with the DNA molecules around 5 kb. Xylene cyanol may also be used in loading buffer that facilitates the observation of the sample during gel loading and electrophoresis.
Formula:
C₂₅H₂₇N₂NaO₆S₂ Peso molecolare: 538,62 g/mol Punto di fusione: 295 °C (dec., lit.) Temperatura di stoccaggio: Room Temperature |
MDL Number:
MFCD00040657 CAS Number: 2650-17-1 EINECS: 220-167-5 |
Risultati del test di specificazione
Appearance (Colour) | Light Green to Very Dark Green and Purple to Very Dark Purple and Black |
Appearance (Form) | Powder |
Infrared spectrum | Conforms to Structure |
Wavelength in Water, C=0.01 G/L H2O | 612 - 618 nm |
Extinction Coefficient | ≥65000 |
Carbon | ≥41.2 % |
Nitrogen | ≥3.8 % |
Purity (HPLC) | ≥96.0 % |
Solubility (Colour), C=1 mg/ml, H₂O | Dark Blue |
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