Zincon sodium salt ≥75% (dye content), Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
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201332-1GEA
65.6
GBP
201332-1G
201332-5G
Zincon sodium salt ≥75% (dye content), Sigma-Aldrich®
Zincon sodium salt
Zincon sodium salt has been used to locate zinc in plant tissues by light microscopy.
Zincon is a formazan dye, that serves as a metal indicator and is applicable in chelometric titration. It is used in spectrometric analysis. The metal-zincon complex formed shows a prominent absorption band in the visible region. Zincon is also used in solid support electrophoresis for staining zinc proteins.
Formula:
C₂₀H₁₅N₄NaO₆S Melting Pt: 250 °C Storage Temperature: Ambient |
MDL Number:
MFCD00064385 CAS Number: 62625-22-3 |
Specification Test Results
Thin layer chromatogr. | Corresponds to standard |
Solubility (colour) | Brown to very dark brown and red to very dark red and red-brown and very dark red-brown |
Solubility (turbidity) | Opaque |
Solubility (method) | 1 mg/ml, 0.1N sodium hydroxide |
Carbon content | 39.0 - 68.8% |
Nitrogen content | 9.1 - 15.2% |
Infrared spectrum | Conforms to structure |
Wavelength (1) (UV) | 489 - 495 nm |
Molar absorbancy index (1) | ≥10000 |
Solvent (UV) | Methanol |
Icp analysis | Confirms sodium and sulfur components |
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