Product description: Name:C.I.Acid Brown 283 Molecular Structure: Single azo,1:2 Metal Complexes Molecular Formula: Molecular Weight: CAS Registry Number:12219-66-8 Properties and Applications: red light brown. Used for wool, cotton black silk ribbon printing and dyeing. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 6-7 4 4-5 4-5 4 4 5 5 2.International Similar Brand Acid Brown S-R, Brown S-3R Formalan Brown P-3RL Intralan Fast Red Brown R-W Lanacron Red Brown R Lanacron Red Brown S-R