Tartrazine is a synthetic lemon-yellow azo dye used primarily as a food coloring. It is the trisodium salt of tartrazine acid and also serves as a histological dye.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing or supplying this compound?
List your inventory or post a purchase request
CAS 1934-21-0
Orange G
Acid dye for wool and silk
Direct Red 13
Direct dye
Direct Black 38
direct dye for textiles
Naphthol Green B
histological dye for collagen staining
Aluminum, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-pyrazole-3-carboxylic acid complex
Lake pigment for coloring
Reactive Yellow 17
Reactive dye for textile coloration
Sudan Yellow 3G
solvent dye
Acid yellow 34
acid dye for textile coloring
trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate
UJMBCXLDXJUMFB-UHFFFAOYSA-K
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+]