Acid Brown 14
Name:C.I.Acid Brown 14,C.I.20195
Molecular Structure: Double azo class
C.I.Acid Brown 14,C.I.20195,CAS 5850-16-8,622.54,C26H16N4Na2O8S2,
Weak Acid Brown R,Acid Brown R,Acid Brown RDAcid Brown S-RG
Molecular Formula:C26H16N4Na2O8S2
Molecular Weight: 622.54
CAS Registry Number:5850-16-8
Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid (2 Moore) diazo, Coupled with resorcinol.
Properties and Applications: red light brown. Soluble in water for orange brown, slightly soluble in ethanol for yellow brown. The strong sulfuric acid is a deep in the red, for yellow brown after diluted. In water solution to join strong hydrochloric acid for yellow brown; Add thick sodium hydroxide solution for red wine. Mainly used for nylon and wool fabric dyeing, also can be used for leather color.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 3 | 4-5 | 4 | 3 | 4 | ||
AATCC | 4 | 3 | 3 | 1 | 1-2 | 4 | ||
