dye|World dye variety

Name:C.I.Direct Red 147,C.I.17800

Molecular Structure: Single azo class

C.I.Direct Red 147,C.I.17800,CAS 6417-28-3,720.64,C30H22N6Na2O9S2,Dianil Pink B

Molecular Formula:C₃₀H₂₂N₆Na₂O₉S₂

Molecular Weight: 720.64

CAS Registry Number:6417-28-3

Manufacturing Methods : 2-Amino-5-(4-nitrobenzamido)benzenesulfonic acid diazo, and 6-(4-Nitrobenzamido)-1-naphthol-3-sulfonic acid coupling, then use the method will nitro reduction.

Properties and Applications:  blue light pink. Soluble in water for red, slightly soluble in ethanol is shallow orange. The strong sulfuric acid to red light purple, diluted is shallow orange. The dye solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.

List of Suppliers:

Dianil Pink B( Farbwerke vorm. Meister Lucius &Brtining )