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Acid Yellow 117
Acid Yellow 117
/ CAS : 6459-70-7| Appearance | Pale yellow powder. Soluble in water, the aqueous solution is yellow, and changes to tender yellow after adding hydrochloric acid or sodium hydroxide solution. Orange in concentrated sulfuric acid; It is yellow filiform in concentrated nitric acid. The color is dark green in case of copper ion during dyeing; The color will change slightly in case of iron and chromium ions. | Formula | C39H30N8O8S2.2Na | Molecular Mass | 848.81400 |
| HS | 32041200 | UN | 0 | DG Class | 0 |
| Synonyms | Weak acid Flavine G; Yellow GN; Tracid Yellow G; Weak acid Light Yellow G; Polar Yellow GN; Acid Brilliant Yellow G; Acid Yellow GN; C.I. Acid Yellow 117; Triacid Light Yellow G.; Disodium; 4-[3-Methyl-4-[[4-[[4-[[3-Methyl-5-Oxo-1-(4-Sulfonatophenyl)-4H-Pyrazol-4-Yl]Diazenyl]Phenyl]-Phenylmethyl]Phenyl]Diazenyl]-5-Oxo-4H-Pyrazol-1-Yl]Benzenesulfonate; Benzenesulfonic Acid, 4, 4'-[(Phenylmethylene)Bis[4, 1-Phenyleneazo(4, 5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazole-4, 1-Diyl)]]Bis, Disodium Salt; C.1.Acid Yellow 116(24820) | ||||
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