CAS: 1934-21-0 - Tartrazine

Formula: C₁₆H₁₂N₄O₉S₂·3Na

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);;;

InChI key: InChIKey=RHKOFJVEQBGAMP-UHFFFAOYSA-N

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

Synonyms:

• Tartraphenine
• Tartrazin
• Trinatrium-5-hydroxy-1-(4-sulfophenyl)-4-(4-sulfophenylazo)pyrazol-3-carboxylat
• Dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid, trisodium salt
• trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-1H-pyrazole-3-carboxylate
• C.I. Acid Yellow 23
• C.I. Food Yellow 4
• Tartrazine
• Filter Yellow
• Tartrazine C.I.19140
• Food Yellow No.4
• C.I. Acid Yellow 23, trisodium salt
• Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate
• C.I. 640
• trisodium (4E)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazono]-4,5-dihydro-1H-pyrazole-3-carboxylate
• C.I. Acid Yellow 23, trisodium salt (VAN) (8CI)
• 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt
• Tartrazine
• 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-Pyrazole-3-carboxylic acid, trisodium salt
• FD&C Yellow No. 5
• Trisodium 1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylate
• C.I. Acid Yellow 23
• 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)
• C.I. 19140
• Tartrazine C
• trisodium (4Z)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazono]-4,5-dihydro-1H-pyrazole-3-carboxylate
• C.I. Acid Yellow 23, trisodium salt
• Acid Yellow 23
• Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-, trisodium salt

Acid Yellow 23

CAS: 1934-21-0

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Purity: >98.0%(HPLC)
• Color and Shape: Orange to Brown powder to crystal
• Molecular weight: 534.36

Food Yellow No. 4

CAS: 1934-21-0

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Color and Shape: White - Yellow Solid
• Molecular weight: 534.36

Tartrazine

CAS: 1934-21-0

It can be employed as a biological stain and a food colorant. This Thermo Scientific …

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Color and Shape: Powder, Orange
• Molecular weight: 534.36

Tartrazine, 89%, pure

CAS: 1934-21-0

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Purity: 89%
• Color and Shape: Orange, Powder
• Molecular weight: 534.36

1H-Pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodiumsalt

CAS: 1934-21-0

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Purity: 85%
• Color and Shape: Solid
• Molecular weight: 534.3634

Tartrazine

CAS: 1934-21-0

• Formula: C₁₆H₉N₄O₉S₂Na
• Color and Shape: Neat
• Molecular weight: 534.36

Chocolate Brown

CAS: 1934-21-02519-30-4 2611-82-7

• Formula: C₂₇H₁₈N₄O₉S₂Na
• Color and Shape: Neat
• Molecular weight: 652.56

Tartrazine solution

CAS: 1934-21-0

• Formula: C₁₆H₁₉N₄Na₃O₉S₂
• Color and Shape: Yellow solution
• Molecular weight: 534.37

Acid Yellow 23 (Food Yellow No. 4)

CAS: 1934-21-0

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Molecular weight: 534.36

Tartrazine

CAS: 1934-21-0

Tartrazine, a food colorant with potential health risks, may be genotoxic and carcinogenic with long-term …

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Purity: 98.82%
• Color and Shape: Yellow Solid Powder
• Molecular weight: 534.36

Tartrazine (C.I. 19140)

CAS: 1934-21-0

• Formula: C₁₆H₁₉N₄Na₃O₉S₂
• Purity: ≥ 85.0%
• Color and Shape: Light-orange to orange powder
• Molecular weight: 534.37

Tartrazine

CAS: 1934-21-0

• Formula: C₁₆H₉N₄O₉S₂·3Na
• Purity: 99%
• Color and Shape: orange powder
• Molecular weight: 534.36g/mol

Food Yellow No.4 RS

CAS: 1934-21-0

• Color and Shape: Solid Grains Or Powder

Yellow No.4 for TLC RS

CAS: 1934-21-0

• Color and Shape: Yellow-Red Solid Grains Or Powder

Tartrazine

CAS: 1934-21-0

Applications As a dye for wool and silks; as colorant in food, drugs, and cosmetics. …

• Formula: C₁₆H₉N₄O₉S₂Na
• Color and Shape: Yellow
• Molecular weight: 534.36

Tartrazine

CAS: 1934-21-0

• Purity: 85%
• Color and Shape: Solid
• Molecular weight: 534.3599853515625

Tartrazine

CAS: 1934-21-0

Tartrazine is a yellow synthetic food dye that has been used since the late 1800s. …

• Formula: C₁₆H₉N₄Na₃O₉S₂
• Purity: Min. 95%
• Color and Shape: Powder
• Molecular weight: 534.37 g/mol

Tartrazine, 87%

CAS: 1934-21-0

• Formula: C₁₆H₉N₄O₉S₂Na₃
• Purity: min. 87%
• Color and Shape: Orange, Powder
• Molecular weight: 534.4