Acid Yellow 23 |
2. Molecular weight: 534.36 |
3. Structure formula: |
4. CAS NO.:1934-21-0 |
5. Appearance: Yellow powder. |
6. Specification: Strength 200%, crude |
7. Usage: Mainly used in dyeing of wool and worsted goods. |
8. Packing, storage and transportation: Packed with 25KG cartons, allows to be tansported by the general means. |
Properties and Applications
Acid Yellow 23
Yellow. Soluble in water for yellow, slightly soluble in ethanol and soluble fiber. element, insoluble in other organic solvents. The strong sulfuric acid for yellow, yellow solution diluted; In nitric acid solution for yellow. Its water solution with hydrochloric acid discoloration; Add sodium hydroxide is red light deepened. Used for wool, silk, vinegar, polyamide fiber dyeing and printing directly. The Barium salt also used for paper, leather, soap, drug, plastic, aluminium surface shading, can also be used in cosmetics and food coloring.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2 | 5 | 4-5 | 1 | 5 | 2 | 3 |
| AATCC | 4 | 2 | 2 | 3 | 1 | 1 | 3 | 3 |