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.
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CAS 1934-21-0
C.I. Acid Orange 10
Acid dye for wool and silk
1-Naphthalenesulfonic acid, 4-amino-3-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt
direct dye
Direct Black 38
direct dye for textiles
Acid green 1
histological dye for collagen staining
YELLOW LAKE T
Lake pigment for coloring
REACTIVE YELLOW 17
Reactive dye for textile coloration
2,4-Dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one
solvent dye
C.I. 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+]