tartrazine(3-) structure

tartrazine(3-)

5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate

Also Known As: tartrazine(3-)|5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate|1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-, ion(3-)|1-(4-Sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-oxo-2-pyrazoline-3-carboxylic acid anion|5-oxo-1-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)diazenyl-4H-pyrazole-3-carboxylate|1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl) -4-[(4-sulfophenyl)azo]-, ion(3-)|5-Oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4,5-dihydro-1H-pyrazole-3-carboxylate|5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-4,5-dihydro-1H-pyrazole-3-carboxylate

CAS: 82182-01-2
Molecular Formula C16H9N4O9S2-3
Molecular Weight 464.9811 g/mol
LogP -0.9002
Topological Polar Surface Area 211.92 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 12
Rotatable Bonds 6
Exact Mass 464.9811
Monoisotopic Mass 464.9811
Heavy Atoms 31
Complexity 1316.1489

Chemical Identifiers

CAS Number 82182-01-2
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-]

Product Overview

tartrazine(3-) (CAS 82182-01-2), with molecular formula C16H9N4O9S2-3 and molecular weight 464.9811 g/mol. IUPAC: 5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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