Name:C.I.Acid Blue 92,C.I.13390
Molecular Structure: Double azo class
C.I.Acid Blue 92,C.I.13390,CAS 3861-73-2,695.59,C26H16N3Na3O10S3,Weak Acid Navy Blue R,Acid Navy Blue R,Acid Navy Blue P-4RB,Acid Navy Blue R,Acid Blue 2R,Acid Blue R,Acid Navy Blue 2R
Molecular Formula:C26H16N3Na3O10S3
Molecular Weight: 695.59
CAS Registry Number:3861-73-2
Manufacturing Methods : 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid diazo, and 8-Aminonaphthalene-1-sulfonic acid coupling.
Properties and Applications: red light blue. Dark even powder. Soluble in water (purple) and soluble fiber element, slightly soluble in ethanol (red light blue), insoluble in other organic solvents. Meet strong sulfuric acid in deep dark, it will be diluted to appear blue; Nitric acid in a Purple dark reddish brown change after the orange. Its water solution meet strong hydrochloric acid is blue, in thick red orange brown in sodium hydroxide solution. Can dyeing wool, silk, viscose, leather, paper and soap.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 5 | 1 | 3 | 2 | 1 | 2 | 3-4 | 1 |
AATCC | 4 | 2 | 2 | 4 | 4 | 4 | 1 | 1 |