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Acid Yellow 25
Acid Yellow 25
/ CAS : 6359-85-9| Appearance | Soluble in water. Slightly soluble in ethanol and acetone. The aqueous solution is yellow, and the color does not change when sodium hydroxide is added; It becomes turbid in cold. It is yellow in concentrated sulfuric acid and produces fluorescent yellow precipitation after dilution. | Formula | C23H20N5NaO6S2 | Molecular Mass | 549.55500 |
| HS | 32041200 | UN | 0 | DG Class | 0 |
| Synonyms | Belacid Yellow R; Optamine Yellow R; Novamina Yellow R; C.I. 18835; Oxanal Yellow R; C.I. ACID Yellow 25; Midlon Yellow R; Fast Yellow Mr; Lanaperl Yellow R; Supramine Yellow R; Supracid Yellow R; Acidyellower; C.I.Acidyellow25; 1H-Pyrazole,5-Oxo-4,5-Dihydro-3-Methyl-4-[[3-[(Phenylamino)Sulfonyl]-4-Methylphenyl]Azo]-1-(4-Sulfophenyl)-,Sodiumsalt; Sodium,4-[3-Methyl-4-[[4-Methyl-3-(Phenylsulfamoyl)Phenyl]Diazenyl]-5-Oxo-4H-Pyrazol-1-Yl]Benzenesulfonate; Benzenesulfonic Acid, 4-4,5-Dihydro-3-Methyl-4-4-Methyl-3-(Phenylamino)Sulfonylphenylazo-5-Oxo-1H-Pyrazol-1-Yl-, Monosodium Salt; Acid Fast Yellow Er; Covanyl Yellow Rn | ||||
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