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| Product Name: | Acid Red 4 |
| CAS Registry Number: | 5858-39-9 |
| EINECS: | 227-490-0 |
| Synonyms: | Sodium 4-hydroxy-3-(2-methoxyphenylazo)naphthalenesulphonate;Acid Red 4; |
| Molecular Structure: |
 |
| Molecular Formula: | C17H14N2O5S.Na |
| Molecular Weight: | 380.35 |
| Density: | 1.43g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Refractive index: | 1.655 |