Tartrazine

Tartrazine is a sulfonic dye, which can be synthesized by the reaction of sulfanilic acid with 3-carboxy-l-(4-sulfophenyl)-5-pyrazolone. It finds applications in food, cosmetics and drug industry.

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Catalog Number	CBB1111439
Alternative Name(s)	Acid Yellow 23
Molecular Formula	C16H9N4Na3O9S2
CAS#	1934-21-0
Inchi	1S/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3
Inchi Key	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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Supplier Page	https://www.amerigoscientific.com/tartrazine-item-111439.html