1-(2-Naphtylazo)-2-naphthol

1-(2-Naphtylazo)-2-naphthol Structure
1-(2-Naphtylazo)-2-naphthol
  • CAS No.2653-66-9
  • Chemical Name:1-(2-Naphtylazo)-2-naphthol
  • CBNumber:CB52429020
  • Molecular Formula:C20H14N2O
  • Formula Weight:298.34
  • MOL File:2653-66-9.mol
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

1-(2-Naphtylazo)-2-naphthol Chemical Properties,Usage,Production

  • Preparation Naphthalen-2-amine diazotization, and Naphthalen-2-ol coupling.
  • Properties and Applications red orange (mineral oil). Melting point 176 ℃ (red brown acicular crystal). In concentrated sulfuric acid for magenta, after dilution red brown precipitation.
    Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
    Melting point Stable
    ISO Good 176 ≥ 205Sublimation Insoluble No change No change
1-(2-Naphtylazo)-2-naphthol Preparation Products And Raw materials
Raw materials
Preparation Products
1-(2-Naphtylazo)-2-naphthol Suppliers
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1-(2-Naphtylazo)-2-naphthol Spectrum
2653-66-9, 1-(2-Naphtylazo)-2-naphtholRelated Search:
  • 2653-66-9
  • C.I.Solvent Orange 8:C.I.12175
  • 2-Naphthalenol, 1-[2-(2-naphthalenyl)diazenyl]-
  • (1Z)-1-(naphthalen-2-ylhydrazinylidene)naphthalen-2-one
  • C.I.Solvent Orange 8
  • C.I.12175
  • 1-(2-Naphtylazo)-2-naphthol

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