3-Amino-4-hydroxybenzenesulfonamide diazo, and 3-Oxo-N-phenylbutanamide coupling, and then use cobalt chloride complex.
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
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
7
|
4-5
|
4-5
|
4-5
|
4-5
|
4
|
5
|
5
|