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red light yellow. Yellow powder, soluble in water. The strong sulfuric acid in orange, diluted into yellow. Dye with sodium hydroxide solution to colorless. In 120 ℃ dyeing, colour and lustre is unchanged.
Product Name:Basic Yellow 28 250%
Molecular Structure: Azomethine Class
Molecular Formula:C21H27N3O5S
Molecular Weight: 433.52
CAS Registry Number:54060-92-3
Manufacturing Methods : p-Anisidine diazo, Coupled with Fischers base, then methylated with Dimethyl sulfate.
Properties and Applications: red light yellow. Yellow powder, soluble in water. The strong sulfuric acid in orange, diluted into yellow. Dye with sodium hydroxide solution to colorless. In 120 ℃ dyeing, colour and lustre is unchanged. Mainly used in acrylic fiber, scattered article fiber dyeing, can be used for direct printing acrylic and silk, also can be used for modification polyester fiber, acetate fiber and PVC fiber dyeing.
Counter product：Astrazon Gold Yellow GL,Basic Yellow GL，Maxilon Golden Yellow GL
Standard | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 7 | 5 | 5 | 5 | |||
