Acid Orange 76
Name:C.I.Acid Orange 76,C.I.18870
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Orange 76,C.I.18870,CAS 6656-00-4,452.47,C16H16N6O6S2
Molecular Formula:C16H16N6O6S2
Molecular Weight: 452.47
CAS Registry Number:6656-00-4
Manufacturing Methods : 3-Amino-4-hydroxybenzenesulfonamide diazo, and 3-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonamide coupling, and then translate into chromium complex.
Properties and Applications: dark red light orange. The strong sulfuric acid for green light yellow, diluted into yellow. Used for wool, silk, polyamide fiber dyeing and such as direct printing. Can be used in organic pigments and solvent dye, also used in leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 7 | 4 | 4-5 | 5 | 5 | |||
| AATCC | 7 | 4 | 4 | 4 | 4 | 5 | ||
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