Acid Yellow 4R
- CAS NO.：12715-61-6
- Empirical Formula: C32H29CoN8O10S2-
- Molecular Weight: 808.68
- MDL number: MFCD02752641
- EINECS: 235-786-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Acid Yellow 4R?
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.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| AATCC | 5 | 3 | 2-3 | 5 | 4-5 | 5 | ||
Properties of Acid Yellow 4R
| EPA Substance Registry System | C.I. Acid Yellow 151 (12715-61-6) |
Safety information for Acid Yellow 4R
Computed Descriptors for Acid Yellow 4R
Acid Yellow 4R manufacturer
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