Basic information Safety Related Supplier

4-PHENYLAZO-1-NAPHTHYLAMINE

Basic information Safety Related Supplier
4-PHENYLAZO-1-NAPHTHYLAMINE Basic information
4-PHENYLAZO-1-NAPHTHYLAMINE Chemical Properties
  • Melting point:124°C
  • Boiling point:380.33°C (rough estimate)
  • Density 1.1633 (rough estimate)
  • refractive index 1.6470 (estimate)
  • solubility Solubility Virtually insoluble in water; slightly soluble in ethanol; soluble in acetone, benzene,ethyl acetate, toluene, xylene
  • Colour Index 11350
  • pka2.70(at 25℃)
  • form crystals
  • color Dark red
  • PH RangeRed (3.7) to yellow (5.0)
  • λmax439nm
  • Major ApplicationDisplay device, semiconductor, sensors, photosensitive materials, recording materials, fooding materials, imaging materials, inks, engraving coatings, lubricants, hair dyes, food storage, dental materials
  • CAS DataBase Reference131-22-6(CAS DataBase Reference)
  • EPA Substance Registry System1-Naphthalenamine, 4-(phenylazo)- (131-22-6)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-36
  • WGK Germany 3
  • RTECS QJ0360000
  • Toxicitymma-sat 500 mg/plate AEMIDF 42,641,81
4-PHENYLAZO-1-NAPHTHYLAMINE Usage And Synthesis
  • Preparationaniline diazotization, and Naphthalen-1-amine coupling.
  • Safety ProfileMutation data reported. When heated to decomposition it emits toxic vapors of NOx.
  • Purification MethodsCrystallise the dye from cyclohexane or aqueous EtOH. [Brode et al. J Am Chem Soc 74 4641 1952, Beilstein 16 H 361, 16 III 406, 16 IV 546.]
  • Properties and Applicationsbrilliant red light yellow to brilliant yellow orange (mineral oil). Red acicular crystal, melting point 123 ℃. Soluble in alcohol and benzene. In concentrated sulfuric acid for magenta; After dilution for red light brown, precipitation, At 2% hot hydrochloric acid solution for magenta solution, there are residues. Dye alcohol solution to join concentrated sodium hydroxide solution for yellow brown. Used for oil, paraffin wax, paint color.
    Standard Light Fastness Heat-resistant(℃) Water Sodium Carbonate(5%) Hydrochloric acid(5%)
    Melting point Stable
    ISO Well 109 75 Insoluble No change Poor
4-PHENYLAZO-1-NAPHTHYLAMINE Preparation Products And Raw materials
4-PHENYLAZO-1-NAPHTHYLAMINE(131-22-6)Related Product Information
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