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C.I. Direct blue 49

C.I. Direct blue 49 Structure
C.I. Direct blue 49
  • CAS No.6426-73-9
  • Chemical Name:C.I. Direct blue 49
  • CBNumber:CB62497680
  • Molecular Formula:C32H23N4NaO16S4
  • Formula Weight:870.78
  • MOL File:6426-73-9.mol
C.I. Direct blue 49 Property
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

C.I. Direct blue 49 Chemical Properties,Usage,Production

  • Preparation 4-(4-Aminophenyl)benzenamine double nitriding, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid (2 Moore) coupled.
  • Properties and Applications dark red light blue and red light navy. Soluble in water for deep purple, soluble in ethanol for purple. The strong sulfuric acid for green light blue, for purple diluted. The dye solution to join strong hydrochloric acid for deep blue purple; Add sodium hydroxide solution for dark purple.
    Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
    Fading Stain Fading Stain
    ISO 5 3-4 1-2 2 2-3
C.I. Direct blue 49 Preparation Products And Raw materials
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Preparation Products
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C.I. Direct blue 49 Spectrum
6426-73-9, C.I. Direct blue 49Related Search:
  • 6426-73-9
  • Direct Blue 49
  • C.I.Direct Blue 49:C.I.22540
  • C.I. Direct blue 49
  • 2,7-Naphthalenedisulfonic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4,5-dihydroxy-, tetrasodium salt