Tartrazine (also called tartrazine acid) has the formula C16H12N4O9S2 and a molar mass of 468.4 g/mol. The model above is PubChem's computed 3D conformer: drag to rotate, scroll to zoom, and use the measurement tools to read bond lengths and angles.
Explore in 3D Space-filling model PubChem
| IUPAC name | 5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)diazenyl]-4H-pyrazole-3-carboxylic acid |
|---|---|
| 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 |
| PubChem CID | 62302 |
| Other names | tartrazine acid |
Atoms use the standard CPK colors: carbon gray, hydrogen white, oxygen red, nitrogen blue, sulfur yellow. Switch to Spacefill to see the molecule's overall shape and size, or Stick for a clear view of the bonds. Click two atoms in distance mode to measure a bond length in ångströms.
3D coordinates are PubChem's computed conformer, one low-energy shape of the molecule. Flexible molecules can take many other shapes.