| Product | 4-[(4-Amino – 5 – Methoxy – 2- methylphenyl) azo] Benzenesulfonic Acid |
| CAS # | 40947‐69‐1 |
| Molecular Weight | 321.35 g/mol |
| Physical Appearance | Black Moist Crystals |
| Purity by Diazotitation | Min. 70% |
| Solubility | Soluble in Alkali |
| Insolubles | < 0.1 % |
| p‐Cresidine content | < 0.1 % |
| pH (soln 2 % ) | 5.5% |
| Banned Amine | < 5 ppm |
