CAS Registry Number®
1934-21-0
CAS Name
Tartrazine
Molecular Formula
C16H12N4O9S2.3Na
Other Names and Identifiers
InChI
InChI=1S/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);;;
InChIKey
InChIKey=RHKOFJVEQBGAMP-UHFFFAOYSA-N
SMILES
O=C1N(N=C(C(O)=O)C1N=NC2=CC=C(S(=O)(=O)O)C=C2)C3=CC=C(S(=O)(=O)O)C=C3.[Na]
Canonical SMILES
[Na].O=C(O)C1=NN(C(=O)C1N=NC2=CC=C(C=C2)S(=O)(=O)O)C3=CC=C(C=C3)S(=O)(=O)O
Other Names for this Substance
- 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)
- C.I. Acid Yellow 23
- Tartrazine
- C.I. Acid Yellow 23, trisodium salt
- 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt
- Tartrazine B.P.C.
- C.I. 19140
- Acid Leather Yellow T
- Acid Yellow T
- Acid Yellow 23
- Acilan Yellow GG
- Airedale Yellow T
- Aizen Tartrazine
- Amacid Yellow T
- D and C Yellow No. 5
- Atul Tartrazine
- Bucacid Tartrazine
- Calcocid Yellow MCG
- Calcocid Yellow XX
- Canacert Tartrazine
- 3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole trisodium salt
- Certicol Tartrazol Yellow S
- Cilefa Yellow T
- C.I. Food Yellow 4
- Curon Fast Yellow 5G
- Dolkwal Tartrazine
- Edicol Supra Tartrazine N
- Egg Yellow A
- Erio Tartrazine
- Eurocert Tartrazine
- FD and C Yellow No. 5
- Fenazo Yellow T
- HD Tartrazine
- HD Tartrazine Supra
- Hexacert Yellow No. 5
- Hexacol Tartrazine
- Hidazid Tartrazine
- Hispacid Fast Yellow T
- Hydrazine yellow
- Hydroxine Yellow L
- Kako Tartrazine
- Kayaku Food Colour Yellow No. 4
- Kayaku Tartrazine
- KCA Foodcol Tartrazine PF
- KCA Tartrazine PF
- Kiton Yellow T
- Lake Yellow
- Lemon Yellow A
- Lemon Yellow A Geigy
- Maple Tartrazol Yellow
- Mitsui Tartrazine
- Naphtocard Yellow O
- Neklacid Yellow T
- Oxanal Yellow T
- San-ei Tartrazine
- Sugai Tartrazine
- Tartar Yellow N
- Tartar Yellow FS
- Tartar Yellow PF
- Tartar Yellow S
- Tartran Yellow
- Tartraphenine
- Tartrazine B
- Tartrazine G
- Tartrazine M
- Tartrazine A Export
- Tartrazine N
- Tartrazine T
- Tartrazine Extra Pure A
- Tartrazine FQ
- Tartrazine Lake
- Tartrazine Lake Yellow N
- Tartrazine MCGL
- Tartrazine NS
- Tartrazine O Specially Pure
- Tartrazine XX
- Tartrazine XX Specially Pure
- Tartrazine XXX
- Tartrazine Yellow
- Tartrazol BPC
- Tartrazol Yellow
- Tartrine Yellow O
- Trisodium 3-carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole
Deleted or Replaced CAS Registry Numbers
117209-34-4, 134240-82-7, 139601-06-2, 642-62-6, 1342-47-8, 1342-53-6, 12000-64-5, 50809-64-8, 84842-94-4, 389057-90-3, 469888-21-9, 154881-98-8, 183808-13-1, 191807-79-1