Acid orange 156
- Empirical Formula: C21H19N4NaO5S
- Molecular Weight: 462.45
- MDL number: MFCD00071890
- Update Date: 2026-09-12 18:49:10
What is Acid orange 156?
The Uses of Acid orange 156
Acid Orange 156 can be used to dye polyamid fibres.
Preparation
4-Aminobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole?coupling, its product to diazo, coupled with phenol, then the methylation.
Properties and Applications
orange. Orange powder. Soluble in water, in 90 ℃ water solubility of 100 g/L. This product is mainly used for the polyamide fiber dyeing, the dyeing performance and fastness are good. But with C.I.Acid Red 361, C.I.Acid Blue 277 of primary colors.
| Standard(Polyamide) | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6-7 | 3 | 5 | 5 | ||||
Safety information for Acid orange 156
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