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SZSE：002741
Chemical Reagents
1-(2-Pyridylazo)-2-naphthol? COA Report
  • CAS No.：85-85-8
  • Molecular weight：249.27
  • Molecular formula：C15H11N3O
  • EC No.：201-637-9
  • HS-No：29333999
Information
Specification category：
Product No. Product name specifications
1.17595.010 1-(2-Pyridylazo)-2-naphthol AR5g
Characteristic： Appearance and properties:orange crystalline powder.
Melting point(℃):138～140
Solubility:soluble in alcohol,ether,alkali solution and organic solvents,insoluble in water.
Technical indicators：
Item AR
Effective spectrophotometric determination ≤90%
Sensitivity to copper Pass
Melting point,℃ 138～142
Solubility in ethanol Pass
Residue on ignition(as SO4) ≤0.1%
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