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| | Acid Yellow 4R Basic information |
| Product Name: | Acid Yellow 4R | | Synonyms: | Acid Yellow 4R;dihydrogen bis[2-[[5-(aminosulphonyl)-2-hydroxyphenyl]azo]-3-oxo-N-phenylbutyramidato(2-)]cobaltate(2-);AcidyellowNW;Cobaltate(2-), bis2-5-(aminosulfonyl)-2-(hydroxy-.kappa.O)phenylazo-.kappa.N1-3-(oxo-.kappa.O)-N-phenylbutanamidato(2-)-, dihydrogen;cobaltate(2-), bis[2-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-3-oxo-n-phenylbut;Cobaltate(2-), bis[2-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-3-oxo-N-phenylbutanamidato(2-)]-, dihydrogen;Yellow LNW;Acid Yellow 151 | | CAS: | 12715-61-6 | | MF: | C32H29CoN8O10S2- | | MW: | 808.68 | | EINECS: | 235-786-6 | | Product Categories: | Dyes and Pigments;Organometallics | | Mol File: | 12715-61-6.mol |  |
| | Acid Yellow 4R Chemical Properties |
| | Acid Yellow 4R Usage And Synthesis |
| Preparation | 3-Amino-4-hydroxybenzenesulfonamide diazo, and 3-Oxo-N-phenylbutanamide coupling, and then into a 2-1 cobalt complex. Structure and the C.I.Acid Yellow 128 ?the same. | | Properties and Applications | brilliant yellow.brown uniform powder, soluble in water, solubility of 50 g/L (80 ℃). The strong sulfuric acid for yellow, diluted light yellow solution; In the thick of sodium hydroxide solution for yellow, diluted light yellow. Its water solution for light yellow. Can be used for wool, silk, nylon, polyvinyl alcohol and dimension/cotton, wool/viscose blended dyed in the wool, silk and nylon fabric printing directly, can also be used for leather coloring.
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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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AATCC
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5
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3
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2-3
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5
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4-5
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5
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| | Acid Yellow 4R Preparation Products And Raw materials |
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