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HomeProduct name listAcid Yellow 4R

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: 2025-04-17 18:22:24
Acid Yellow 4R Structural

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

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