Synonyms: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt (9CI), C.I. Acid Yellow 23 (7CI), C.I. Acid Yellow 23, trisodium salt (8CI), Tartrazine (6CI), 1310 Yellow, 1409 Yellow, 3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole trisodium salt, A.F. Yellow No.4, AY 23, Acid Leather Yellow T, Acid Yellow 23, Acid Yellow N, Acid Yellow T, Acid Yellow XX-SF, Acilan Yellow GG, Airedale Yellow T, Aizen Tartrazine, Amacid Yellow T, Amacid Yellow T-EX, Apollo Acid Tartrazine, Atul Tartrazine, B 3014, Basovit Yellow 133E, Bosovit Yellow 133E, Bucacid Tartrazine, C.I. 19140, C.I. Food Yellow 4, C.I. Solvent Yellow 57, Calcocid Yellow MCG, Calcocid Yellow XX, Canacert Tartrazine, Certicol Tartrazol Yellow S, Cilefa Yellow T, Cogilor Yellow 113.11, Cogilor Yellow 113.11-90003, Concorde Acid Tartrazine, Concorde Leather Yellow TTZ, Curon Fast Yellow 5G, D and C Yellow 5, D and C Yellow No. 5, D&C Yellow 5, D&C Yellow no. 5, Dinacid Tartarzine Yellow PFD, Dolkwal Tartrazine, Duasyn Acid Yellow XX, Duasyn Acid Yellow XX-SF, Duasyn Acid Yellow XX-SF-LP 413, Durkee Yellow Food Color, Dyacid Yellow N, Dye Yellow Lake, Dynacid Yellow K, E 102, E 102 (dye), Edicol Supra Tartrazine N, Egacid Yellow T, Egg Yellow A, Eniacid Tartazine J, Erio Tartrazine, Erio Yellow T Supra, Eurocert Tartrazine, Eurocert Tartrazine 311840, FD & C Yellow No. 5-307008, FD and C Yellow No. 5, FD&C Yellow 5, FD&C Yellow No. 5, FD&C Yellow No. 5-37000, FD&C Yellow No. 5-37009, FD&C Yellow No. 5-90123, Fenazo Yellow T, Flexobrite C 105, Food Dye Yellow 4, Food Yellow 4, Food Yellow 5, Food Yellow No. 4, Food dye yellow number 4, HD Tartrazine, HD Tartrazine Supra, Hexacert Yellow No. 5, Hexacol Tartrazine, Hidazid Tartrazine, Hispacid Fast Yellow T, Hydrazine yellow, Hydroxine Yellow L, IJ Yellow 205H, INS 102, Japan Food Yellow No. 4, Japan Yellow 4, Japan Yellow No. 4, K-RCP-Y 4AL, KCA Foodcol Tartrazine PF, KCA Tartrazine PF, Kako Tartrazine, Kayaku Food Colour Yellow No. 4, Kayaku Tartrazine, Kemacid Tartrazine NS, Kiton Yellow T, L Yellow Z 1020, Lake Yellow, Lemon Yellow, Lemon Yellow (Chinese food dye), Lemon Yellow A, Lemon Yellow A Geigy, Maple Tartrazol Yellow, Mitsui Tartrazine, Multacid Yellow T, NSC 4760, Naphtocard Yellow O, Necol Tartrazine, Neelicol Tartrazine, Neklacid Yellow T, Orient Water Yellow 1, Oxanal Yellow T, Pacid Tartrazin, Pro-Jet Yellow OAM, PuriColor Yellow AYE 23, Ritacid Yellow NS, Romexal Yellow T, San-ei Tartrazine, Sandolan Yellow E-TZ, Sicovit Tartazin Lake E 102, Sicovit Tartrazine Lake E 102, Solvent Yellow 57, Sugai Tartrazine, Tartar Yellow FS, Tartar Yellow N, Tartar Yellow PF, Tartar Yellow S, Tartran Yellow, Tartraphenine, Tartrazin, Tartrazine 307043, Tartrazine 36008, Tartrazine 37000, Tartrazine 37009, Tartrazine 85E102, Tartrazine 90123, Tartrazine A, Tartrazine A Export, Tartrazine B, Tartrazine B.P.C., Tartrazine C, Tartrazine E 102, Tartrazine Extra Pure A, Tartrazine FQ, Tartrazine G, Tartrazine GR, Tartrazine Lake, Tartrazine Lake Yellow N, Tartrazine M, Tartrazine MCGL, Tartrazine N, Tartrazine NS, Tartrazine O, Tartrazine O Specially Pure, Tartrazine T, Tartrazine XX, Tartrazine XX Specially Pure, Tartrazine XXX, Tartrazine Yellow, Tartrazine Yellow 5, Tartrazine Yellow BF, Tartrazol BPC, Tartrazol Yellow, Tartrine Yellow O, Triacid Tartrazine Yellow O, Triacid Yellow T, Trisodium 3-carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole, Unicert Yellow O 8005J, Unitertracid Yellow TE, Usacert FD&C Yellow No. 5-310122, Usacert Yellow No. 5, Vitasyn Tartrazine X 90, Vitasyn Tartrazine XX 90, Vondacid Tartrazine, Water Yellow 1, Water Yellow 176552, Water Yellow 176571, Water Yellow 178758, Water Yellow 178819, Wool Yellow, Xylene Fast Yellow GT, Yellow 5, Yellow HO 203, Yellow Lake 69, Yellow No. 4, Yellow No. 5