dye|World dye variety

Name:C.I.Direct Orange 101,C.I.22190

Molecular Structure: Double azo class

C.I.Direct Orange 101,C.I.22190,CAS 6528-39-8,675.64,C30H23N5Na2O7S2,Milling Orange G

Molecular Formula:C₃₀H₂₃N₅Na₂O₇S₂

Molecular Weight: 675.64

CAS Registry Number:6528-39-8

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding,3-Aminonaphthalene-2,7-disulfonic acid and phenol coupling, and then in the sodium hydroxide solution heat and pressure, with monomer (VCM) ethyl change.

Properties and Applications: bright orange. Moderate soluble in water and ethanol for gold orange, soluble in soluble fiber element, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted light yellow for subtle stitching, precipitation; In nitric acid solution for orange. The dye solution to join strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for gold orange, precipitation. Used for wool, silk and polyamide fiber dyeing, wool dyeing in neutral or weak acid bath.

List of Suppliers:

Milling Orange G( Allied chemical Corporation  )