| Product: | Acid Yellow 23 |
| Colour Index No.: | 19140 |
| CAS No.: | 1934-21-0 |
| Chemical CLass: | Pyrazolone |
| Appearance: | Light Orange Liquid |
| Solubility at 80°c | Minimum 150 Grams per Litre |
| Insolubles: | Maximum 0.1% |
| Colour Strength: | 35% dye content |
| pH of 1% Solution: | Between 4.5 and 5.5 |