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CAS 85-85-8

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1-(2′-Pyridylazo)-2-naphthol

Description:
1-(2′-Pyridylazo)-2-naphthol, commonly referred to as PAN, is an organic compound characterized by its azo group and naphthol structure. It appears as a dark red to brown solid and is known for its chelating properties, particularly with metal ions, making it useful in analytical chemistry as a reagent for metal ion detection. The compound exhibits strong absorbance in the visible region of the spectrum, which is attributed to its conjugated system, allowing it to form colored complexes with various transition metals. PAN is soluble in organic solvents such as ethanol and acetone but has limited solubility in water. Its applications extend to areas such as colorimetric analysis, where it is employed in the determination of metal concentrations in various samples. Additionally, due to its structural features, it can participate in various chemical reactions, including those involving protonation and complexation. Safety precautions should be taken when handling this compound, as it may pose health risks upon exposure.
Formula:C15H11N3O
InChI:InChI=1S/C15H11N3O/c19-13-9-8-11-5-1-2-6-12(11)15(13)18-17-14-7-3-4-10-16-14/h1-10,19H
InChI key:InChIKey=LLYOXZQVOKALCD-UHFFFAOYSA-N
SMILES:N(=NC1=CC=CC=N1)C=2C3=C(C=CC2O)C=CC=C3
Synonyms:
  • (1E)-1-(pyridin-2-ylhydrazono)naphthalen-2(1H)-one
  • 1-(2-Piridilazo)-2-Naftol
  • 1-(2-Pyridinylazo)-2-naphthalenol
  • 1-(2-Pyridylazo)-2-hydroxynaphthalene
  • 1-(2-Pyridylazo)-2-naphtol
  • 1-(2-Pyridylazo)Naphthol-2
  • 1-(Pyridin-2-Yldiazenyl)Naphthalen-2-Ol
  • 1-(Pyridin-2-azo)-2-naphthol
  • 1-(pyridin-2-ylhydrazono)naphthalen-2(1H)-one
  • 1-Pyridylazo-2-naphthol
  • See more synonyms
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