Tartrazine
Chemical compound
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Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. 19140, FD&C Yellow 5, Yellow 5 Lake, Acid Yellow 23, Food Yellow 4, and trisodium 1--4--5-pyrazolone-3-carboxylate. Wikipedia
Formula: C16H9N4Na3O9S2
IUPAC ID: Trisodium (4E)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazono]-3-pyrazolecarboxylate
Molar mass: 534.3 g/mol
Soluble in: Water
3D model (JSmol): Interactive image
NFPA 704 (fire diamond): 2 1 0
PubChem CID: 6321403