Name:C.I.Acid Brown 2,C.I.17605
Molecular Structure: Single azo class
Molecular Weight: 516.46
CAS Registry Number:3626-41-3
Manufacturing Methods : 2-Methoxy-5-nitrobenzenamine diazo, and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid in alkaline conditions coupled.
Properties and Applications: brown. Black brown powder. Slightly soluble in water (for blue-ray red), soluble in ethanol (a red light brown), insoluble in other organic solvents. Meet strong sulfuric acid as red light purple, it will be diluted for olive brown; Meet strong sulfuric acid as brown, and soon become yellow light brown. Its water solution with hydrochloric acid produce dark brown precipitation; Add sodium hydroxide produce deep red precipitate. Used for wool fabric, polyamide fiber and silk dyeing and printing.
|Standard||Light Fastness||Soaping||Persperation Fastness||Oxygen bleaching||Fastness to seawater|
List of Suppliers:
Weak Acid Brown RL,Acid Brown K,Acid Brown P-RB,Acid Brown R
Acid Brown R( Joint Stock Company ‘Coioros’ )
Acid Fast Brown R(Colorom SA)
Clasic Acid Brown 2 300% (Classic Dyestuffs Inc)
Lerui Acid Brown RL( Rosi Chemical Co Ltd )
Weak Acid Brown RL (Fenchem Enterprises Ltd)