Zincon sodium salt ≥75% (dye content), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
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M-Clarity™ quality level = MQ100

201332-1G 201332-5G
201332-1GEA 78.5 EUR
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
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Specification Test Results

Appearance (colour) Maroon to violet to purple
Appearance (form) Powder
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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