Tartrazine

Tartrazine (CAS 1934-21-0) is a chemical substance with the molecular formula C16H9N4Na3O9S2 and a molecular weight of 534.4 g/mol.

This is a public reference record for a chemical substance. No supplier has been verified for it yet.

IUPAC name	trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate
Molecular formula	C16H9N4Na3O9S2
Molecular weight	534.4
InChIKey	UJMBCXLDXJUMFB-UHFFFAOYSA-K
SMILES	C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]