Yellow 5

Additive Seed data

Learn more about this substance: Ask ChatGPT Google PubChem Wikipedia EWG Skin Deep INCIDecoder

Chemical Identification

INCI Name	trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate
PubChem CID	164825
Molecular Formula	`C16H9N4Na3O9S2`
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+]`

Known Aliases (21)

Common Name

1342-47-8 1934-21-0 Acid yellow 23 A.F. Yellow No. 4 Aizen tartrazine Amacid Yellow T Atul Tartrazine C.I. 19140 Cilefa Yellow T Erio Tartrazine FD & C Yellow no. 5 FD&C Yellow No. 5 Food Yellow 4 Kako Tartrazine Tartran Yellow Tartraphenine Tartrazine Tartrazine B Tartrazine FD&C Yellow #5 Tartrazine Lake

IUPAC Name

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

Data Sources (3)

Source	Source ID	Name in Source	Properties
NIH DSLD (Dietary Supplements)	`DSLD-14499`	Yellow 5	category: other
NIH DSLD (Dietary Supplements)	`DSLD-31946`	YELLOW 5	category: other
NIH DSLD (Dietary Supplements)	`DSLD-50004`	yellow 5	category: other

Record Info

ID	`eDByCnoxStFox9b7PV8ehx`
Created	April 10, 2026, 3:32 p.m.
Modified	April 10, 2026, 3:32 p.m.
Enriched	April 10, 2026, 3:38 p.m.
Data Source	Seed data