Acid Yellow 128
- CAS NO.：51053-43-1
- Empirical Formula: C16H16N4O5S
- Molecular Weight: 0
- MDL number: MFCD00802030
- Update Date: 2025-10-22 15:21:50
What is Acid Yellow 128?
Preparation
3-Amino-4-hydroxybenzenesulfonamide diazo, and 3-Oxo-N-phenylbutanamide coupling, and then use cobalt chloride complex.
Properties and Applications
green light yellow. Tan evenly all powder, soluble in water. The strong sulfuric acid for yellow, diluted light yellow solution; In nitric acid was damaged in, a small residual yellow; In strong hydrochloric acid in the same light, diluted light yellow; In the thick of sodium hydroxide solution for yellow, diluted light yellow. Its water solution for light yellow. Structure and the C.I.Acid Yellow 151 the same. Used for wool, silk, polyamide, d theory and
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 7 | 4-5 | 4-5 | 4-5 | 4-5 | 4 | 5 | 5 |
Safety information for Acid Yellow 128
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