Acid Yellow 56
Name:C.I.Acid Yellow 56,C.I.24825
Molecular Structure: Double azo class
C.I.Acid Yellow 56,C.I.24825,CAS 6548-24-9,945.76,C41H32Cl2N8Na2O8S2
Molecular Formula:C41H32Cl2N8Na2O8S2
Molecular Weight: 945.76
CAS Registry Number:6548-24-9
Manufacturing Methods : 4-((4-Ammophenyl)(phenyl)methyl)benzenamine double nitriding, and 1-(2-Methyl-4-sulfo-6-chlorophenyl)-3-methyl-5-pyrazolone (2 Moore) coupled.
Properties and Applications: yellow. Used for wool, silk, polyamide fiber dyeing, also used in leather dyeing and manufacturing organic pigments.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | ||
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