dye|World dye variety

Name:C.I.Acid Red 150,C.I.27190

Molecular Structure: Double azo class

C.I.Acid Red 150,C.I.27190,CAS 6226-78-4,556.48,C22H14N4Na2O7S2

Molecular Formula:C₂₂H₁₄N₄Na₂O₇S₂

Molecular Weight: 556.48

CAS Registry Number:6226-78-4

Manufacturing Methods : 4-(Phenyldiazenyl)benzenamine diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications:Brilliant red.  Soluble in water for red, soluble in soluble fiber element, not soluble in ethanol and organic solvents. The strong sulfuric acid for purple, after diluted purple precipitation; In nitric acid solution for blue, then turn amber color with black precipitation. In water solution to join 10% sodium hydroxide solution appear purple red light.

List of Suppliers: