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4-(phenylazo)-o-cresol

4-(phenylazo)-o-cresol Structure
4-(phenylazo)-o-cresol
  • CAS No.621-66-9
  • Chemical Name:4-(phenylazo)-o-cresol
  • CBNumber:CB9876644
  • Molecular Formula:C13H12N2O
  • Formula Weight:212.25
  • MOL File:621-66-9.mol
4-(phenylazo)-o-cresol Property
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H318-H411-H315-H302-H335
  • Precautionary statements P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501-P280-P305+P351+P338-P310

4-(phenylazo)-o-cresol Chemical Properties,Usage,Production

  • Preparation aniline diazotization, and o-Cresol coupling.
  • Purification Methods Crystallise the phenol from hexane or pet ether (m 130o). [Beilstein 16 II 59, 16 III 104, 16 IV 193.]
  • Properties and Applications green light yellow to red yellow. Soluble in hot water for red light yellow, soluble in ethanol for green yellow. In ethanol from out of the crystallization product melting point is 126 ~ 128 ℃. In concentrated sulfuric acid for yellow brown, dilution after brick red solution; In hot concentrated hydrochloric acid in orange brown precipitation; In the heat of 2% sodium hydroxide solution for yellow orange. Used for oil, paraffin wax, cellulose paint color.
    Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
    Melting point Stable
    ISO General 126～128 70≥170

    Sublimation

    		Well Well Well
4-(phenylazo)-o-cresol Preparation Products And Raw materials
Raw materials
Preparation Products
4-(phenylazo)-o-cresol Suppliers
Global(3)Suppliers
  • Supplier： Merck KGaA
  • Tel：21-20338288
  • Email：ordercn@merckgroup.com
  • Country：China
  • ProdList：292394
  • Advantage：58
4-(phenylazo)-o-cresol Spectrum
621-66-9, 4-(phenylazo)-o-cresolRelated Search:
  • 621-66-9
  • Solvent Yellow 10
  • C.I.Solvent Yellow 10:C.I.11840
  • Phenol, 2-methyl-4-(2-phenyldiazenyl)-
  • Oil Yellow WP
  • C.I.Solvent Yellow 10
  • C.I.11840
  • 2-Methyl-4-(phenylazo)phenol
  • 4-(phenylazo)-o-cresol

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