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1,1'-Diethyl-2,2'-cyanine Iodide 97%, Sigma-Aldrich®
1,1'-Diethyl-2,2'-cyanine Iodide 97%, Sigma-Aldrich®
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1,1'-Diethyl-2,2'-cyanine Iodide 97%, Sigma-Aldrich®

Specification Test Results

  • Appearance (colour):
    Dark red to very dark red and dark green to very dark green
  • Appearance (form):
    Powder or crystals
  • Purity (TLC area %):
    ≥97%
  • Solubility (colour):
    Dark red to very dark red
  • Solubility (turbidity):
    Clear to very slightly hazy
  • Solubility (method):
    1%, dimethyl formamide:methanol (1:1)
  • Carbon content:
    58.6 - 62.9%
  • Nitrogen content:
    5.9 - 6.4%
  • Infrared spectrum:
    Conforms to structure
  • Wavelength (1) (UV):
    520 - 528 nm
  • Molar absorbancy index (1):
    ≥40000
  • Wavelength (2) (UV):
    487 - 495 nm
  • Molar absorbancy index (2):
    ≥25000
  • Solvent (UV):
    Ethanol

Specification Test Results

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