2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt

2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Structure
2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt
  • CAS No.6459-66-1
  • Chemical Name:2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt
  • CBNumber:CB64752620
  • Molecular Formula:C35H29N4NaO8S2
  • Formula Weight:720.75
  • MOL File:6459-66-1.mol
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Chemical Properties,Usage,Production

  • Preparation 4-(4-Amino-2-methylbenzyl)-3-methylbenzenamine?nitriding, and methane 6-Hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.
  • Properties and Applications red light orange. Soluble in water for palm orange, soluble in ethanol for gold orange. The strong sulfuric acid for blood-red, diluted orange for palm. In aqueous solution is to add strong hydrochloric acid have the red orange precipitation; Add thick sodium hydroxide solution for orange brown. Used for wool, silk fiber dyeing, etc. Also used in paper shading.
    Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
    Fading Stain Fading Stain Fading Stain
    ISO 3 4 3 2-3 3 3-4
2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Preparation Products And Raw materials
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2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Spectrum
6459-66-1, 2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium saltRelated Search:
  • 6459-66-1
  • C.I.Acid Orange 55:C.I.24765
  • Acid Orange 55
  • 2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt

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