C.I. Acid Yellow 23
trisodium;3-oxo-2-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-1H-pyrazole-5-carboxylate
Also Known As: Tartrazine, Acid yellow 23, Hydrazine Yellow, Tartraphenine, Tartran Yellow, Filter Yellow, Aizen tartrazine, tartarazine, Wool Yellow, Tartrazin, lake tartrazine, Kiton Yellow T, Atul Tartrazine, Erio Tartrazine, Hidazid Tartrazine
| Molecular Formula | C16H9N4Na3O9S2 |
|---|---|
| Molecular Weight | 533.9504 g/mol |
| LogP | -9.24 |
| Topological Polar Surface Area | 217.04 Ų |
| Hydrogen Bond Donors | 1 |
| Hydrogen Bond Acceptors | 12 |
| Rotatable Bonds | 6 |
| Exact Mass | 533.9504 |
| Heavy Atoms | 34 |
| Complexity | 1465 |
Chemical Identifiers
| CAS Number | 1934-21-0 |
|---|---|
| SMILES | C1=CC(=CC=C1N=NC2=C(NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+] |
Product Overview
C.I. Acid Yellow 23 (CAS 1934-21-0), with molecular formula C16H9N4Na3O9S2 and molecular weight 533.9504 g/mol. IUPAC: trisodium;3-oxo-2-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-1H-pyrazole-5-carboxylate.
Frequently Asked Questions
📚 Academic Support
Scientific research papers and technical documentation supporting this product for informed procurement decisions.
Technical Blog Article
Multi-source research profile: chemical properties, regulatory status, and sourcing guide for C.I. Acid Yellow 23.
Browse Technical Blog →No research papers found for this product yet.
We continuously update our academic references. Check back soon!