dye|World dye variety

Name:C.I.Direct Violet 1,C.I.22570

Molecular Structure: Double azo class

C.I.Direct Violet 1,C.I.22570,CAS 2586-60-9,728.66,C32H22N6Na2O8S2,Direct Violet N,Direct Violet 4RB

Molecular Formula:C₃₂H₂₂N₆Na₂O₈S₂

Molecular Weight: 728.66

CAS Registry Number:2586-60-9

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  (2 Moore) coupled.

Properties and Applications: purple. Reddish brown powder. Soluble in water for deep purplish red color to purple solution, soluble in soluble fiber element, slightly soluble in alcohol for red light purple, insoluble in other organic solvents. In the strong sulfuric acid as dark blue, diluted for dark purple; In nitric acid for brown in the red. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution for Red sauce, precipitation. Cellulose fiber of dyeing, dye absorption rate of as good, in the 100 ℃ maximum affinity. Copper ions in dyeing color shade darker, encounter iron ion micro have change. Mainly used for cotton, such as glue of cellulose fiber dyeing and printing, also can be used for silk, polyamide fiber and its blended fabric dyeing, can also be used for the pulp, leather and biological color.

List of Suppliers:

Direct Violet N,Direct Violet 4RB

Atul Direct Violet N ( Atul Limited )

Direct Violet N (Sinochem Ningbo Imp & Exp Corp)

Direct Violet N(Shandong Qing Shun Chemical Co., Ltd.)

Direct Violet N 1052A(Sinochem Tianjin Imp Exp Corp)

Direct Violet R(Colorom SA)

Violet N(Sinochem Liaoning Import & Export Corporation)