Acid Orange 6
Name:C.I.Acid Orange 6,C.I.14270
Molecular Structure: Single azo class
Molecular Formula:C12H9N2NaO5S
Molecular Weight: 316.27
CAS Registry Number:547-57-9
Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, Coupled with resorcinol.
Properties and Applications: yellow orange. Soluble in water for golden brown, soluble in ethanol lemon yellow, soluble in acetone and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for yellow, diluted for lemon yellow; In nitric acid solution for yellow. Its water solution to join strong hydrochloric acid for golden brown; Add thick sodium hydroxide solution for palm orange. Used for wool, silk, cotton, vinegar, polyamide fiber and fiber dyeing. Also used in leather, biological dyeing, also used in indicator (pH 12 ~ 14).
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4-5 | 3 | 2 | 1-2 | 3 | |||
AATCC | 3-4 | 4 | 1 | 1 | 3 |
List of Suppliers:
Acid Chrome Orange G (Fenchem Enterprises Ltd)
Golden Yellow WlOOl( Les Colorants Wackherr )
Phosphine substitute (Simpsons (UK) Ltd)