Tartrazine
Name: Tartrazine
CAS Registry Number: 1934-21-0
CA Index Name: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl) diazenyl]-, sodium salt (1:3)
Other Names: 1H-Pyrazole-3-carboxylic acid, 4,5-di-hydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt; C.I. Acid Yellow 23; C.I. Acid Yellow 23, trisodium salt; Tartrazine; 1310 Yellow; 1409 Yellow; 3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenyla-zopyrazole 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 No. 5; Dinacid Tartrazine 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 Tartrazine J; Erio Tartrazine; Erio Yellow T Supra; Euro-cert 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. 537000; FD&C Yellow No. 5-37009; FD&C Yellow No. 590123; Fenazo Yellow T; Food Dye Yellow 4; Food Yellow 4; 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; INS 102; Japan Food Yellow No. 4; Japan Yellow 4; Japan Yellow No. 4; KCA Foodcol Tartrazine PF; KCA Tartra-zine 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 Tartrazin 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; Tar-traphenine; Tartrazin; Tartrazine 307043; Tartrazine 36008; Tartrazine 37000; Tartrazine 37009; Tartrazine 90123; Tartrazine A; Tartrazine A Export; Tartrazine B; Tartrazine B.P.C.; Tartrazine C; Tartrazine E 102; Tartra-zine Extra Pure A;
Merck Index Number: 9072
Chemical / Dye Class: Azo
Molecular Formula: C16H9N4Na3O9S2
Molecular Weight: 534.36
Physical Form: Bright orange-yellow powder
Solubility: Freely soluble in water; soluble in ethanol, cellosolve; insoluble in xylene
Melting Point: 300 °C
Absorption (λmax): 425 nm
Synthesis: Synthetic methods
Staining Applications: Enzymes; lymph nodes; alcohol; bakery products; beverages; candy; cucumber pickle products; drinks; egg noodle; fast food products; fish; ice cream; meat products; potato products; seafood; sweeteners; syrup; yoghurts; capsules; tablets; mouthwash; toothpastes; sunscreen; eyebrows; eyelashes; lips; skin; tattoos; tooth; hairs
Biological Applications: Treating hepatitis, periodontal disease, psoriasis
Industrial Applications: Color filters; liquid crystal displays; organic thin films; inks; highlighters; paints; adhesives; photographic materials; thermoplastics; cleansing products; detergents; colored bubbles; papers, fabrics, wood
Safety / Toxicity: Acute oral toxicity; allergic contact dermatitis; carcinogenicity; chromosomal aberration; chronic toxicity; cytotoxicity; dermal toxicity; genotoxicity; hyperactive behavior in children; mutagenicity; neurotoxicity; pseudoallergic reactions; reproductive toxicity
Certification / Approval: Approved by Food & Drugs Administration (FDA)
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