Name:C.I.Acid Red 184,C.I.15685
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Red 184,C.I.15685,CAS 6370-15-6,411.32,C16H10N3NaO7S,Violet Brown B,Violet Brown BRA,Complex Violet Brown B
Molecular Formula:C16H10N3NaO7S
Molecular Weight: 411.32
CAS Registry Number:6370-15-6
Manufacturing Methods : 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazo, and Naphthalen-2-ol coupling, and then in aqueous solution together with formic acid chromium heating, in 130 ° C keep 0.5 ~ 1.5 hours to form chromium complex.
Properties and Applications: red. Purplish red powder, soluble in water for purplish red color. The strong sulfuric acid dyes for purple, the diluted solution turned pale red purple, after gradually precipitation. Levelness and white sex are good. Copper ions in dyeing color change to blue; Iron ion in light blue and light. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing, also used in leather shading and organic pigments.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 5-6 | 4 | 5 | 1 | 3-4 | |||
AATCC | 4-5 | 2 | 5 | 5 | ||||
