| Chemical Name | Acid Orange 5 |
| C.I. No. | 13080 |
| CAS No. | 554-73-4 |
| Synonyms | Acid Yellow D , Aniline Yellow, Diphenylamine Orange, Tropaeolin OO, solar orange iv |
| Molecular Formula | C18H14N3NaO3S |
| Molecular Weight | 375.38 |
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