| acid yellow 23; p-[1-(3-carboxy-5-oxo-4'-sulfophenyl-2-pyrazolin-4-ylazo]benzenesulfonic acid trisodium salt; C.I. 19140; 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-pyrazole-3-carboxylic acid trisodium salt; E102; FD&C yellow 5; food yellow 4; tartrazine; trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]-4,5-dihydro-1H-pyrazole-3-carboxylate; trisodium 5-oxo-1-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)diazenyl-4H-pyrazole-3-carboxylate; trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate |
| Links: | 🕷 ChemSpider |
| MeSH: | Food Additives |
| CAS RN: | [1934-21-0] |
| Formula: | C16H9N4Na3O9S2; 534.37 g/mol
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| InChiKey: | UJMBCXLDXJUMFB-UHFFFAOYSA-K |
| SMILES: | [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(c2ccc(cc2)[S]([O-])(=O)=O)C(=O)C1N=Nc3ccc(cc3)[S]([O-])(=O)=O |
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| Use: | acid dye |
| Colour: | ⬤ |
