Tartrazine, Thermo Scientific Chemicals

Description

C.I. 19140

It can be employed as a biological stain and a food colorant.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It can be employed as a biological stain and a food colorant.

Solubility
Soluble in water 260 g/L (30°C).

Notes
Hygroscopic. Store away from oxidizing agents. Keep the container tightly closed in a cool, dry place.

Specifications

Chemical Identifiers

• CAS: 1934-21-0
• Molecular Formula: C16H9N4Na3O9S2
• Molecular Weight (g/mol): 534.356
• MDL Number: MFCD00148908
• InChI Key: UJMBCXLDXJUMFB-UHFFFAOYSA-K
• Synonym: tartrazine, yellow 5, aizen tartrazine, trisodium salt, food yellow 4, tartrazine FD&C yellow #5, c.i. acid yellow 23, atul tartrazine, erio tartrazine, kako tartrazine
• PubChem CID: 164825
• IUPAC Name: trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate
• SMILES: 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+]

• Quantity: 25 g
• Sensitivity: Hygroscopic
• Merck Index: 14,9072
• Solubility Information: Soluble in water 260g/L (30°C).
• Formula Weight: 534.37
• Chemical Name or Material: Tartrazine

RUO – Research Use Only