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| | Acid Yellow 128 Basic information |
| 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 | ![Acid Yellow 128 Structure]() |
| | Acid Yellow 128 Chemical Properties |
| | Acid Yellow 128 Usage And Synthesis |
| 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. | | 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
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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7
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4-5
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4-5
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4-5
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4-5
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4
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5
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5
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| | Acid Yellow 128 Preparation Products And Raw materials |
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