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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Acid Yellow 128 |
| Synonyms: | Acid Yellow 128;NEUTER YELLOW GL;Polfalan Yellow GL;Polfalan Yellow PA-GL;Youhaoneuter Yellow GL.;Cibalan Yellow FGL;Dark Yellow GL;Neutral Deep Yellow GL |
| CAS: | 51053-43-1 |
| MF: | C16H16N4O5S |
| MW: | 0 |
| EINECS: | |
| Product Categories: | |
| Mol File: | Mol File |
| Chemical Properties | Yellowish brown powder. Aqueous solution is light yellow colloidal. Yellow in concentrated sulfuric acid, light yellow solution after dilution. Does not change color in concentrated hydrochloric acid, diluted light yellow solution. Destroyed in concentrated nitric acid, the residue is yellow; in dilute nitric acid it is light tender yellow. Yellow in concentrated sodium hydroxide solution, pale yellow when diluted. | ||||||||||||||||||||||||
| 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
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| Raw materials | Cobalt chloride-->Acetoacetanilide-->3-Amino-4-hydroxybenzenesulphonamide-->Acetoacetanilide-->3-Amino-4-hydroxybenzenesulphonamide |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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