| Chemical Name | Acid Yellow 166 |
| C.I. No. | – |
| CAS No. | 12220-86-9 |
| Synonyms | Acid Yellow RL, Eukesolar Lemon, Irgaderm Citron M, Irgaderm Citron M 201, Neopolar Yellow 4GL, Sella Fast Yellow 4GL, Sella Solid Yellow 4GL |
| Molecular Formula | – |
| Molecular Weight | – |
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