Acid Yellow 9
Name:C.I.Acid Yellow 9,C.I.13015
Molecular Structure: Single azo class
C.I.Acid Yellow 9,C.I.13015,CAS 2706-28-7,401.33,C12H9N3Na2O6S2
Molecular Formula:C12H9N3Na2O6S2
Molecular Weight: 401.33
CAS Registry Number:2706-28-7
Manufacturing Methods : 4-(Phenyldiazenyl)benzenamine (C.I.Solvent Yellow 1, C.I. 11000) disulfonated.
Properties and Applications: red light yellow. Insoluble in water, but soluble in ethanol is red light yellow. The strong sulfuric acid are brown, a yellow brown after diluted. Used for polyamide, vinegar fiber and silk dyeing, also used in leather and paper color. The aluminum salt can be used as the ink, soap, resin and biological shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 1 | 5 | 2 | 1 | 5 | 1 | 2 |
| AATCC | 4-5 | 1 | 1 | 1 | 2 | 2 | 1-2 | 1-2 |
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