Thermo Scientific Chemicals Tartrazine, 89%, pure

Description

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

Specifications

Chemical Identifiers

• CAS: 1934-21-0
• Molecular Formula: C₁₆H₉N₄Na₃O₉S₂
• Molecular Weight (g/mol): 534.35
• 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+]

• Decomposition Information: >300°C
• Melting Point: >300°C
• Color: Orange
• Infrared Spectrum: Authentic
• Assay Percent Range: 89%
• Packaging: Glass bottle
• Quantity: 100 g
• Beilstein: 25, IV, 1757
• Merck Index: 15, 9206
• Solubility Information: Solubility in water: 260g/L water (30°C)
• Formula Weight: 534.35
• Percent Purity: 89%
• Grade: Pure
• Insoluble Matter: 0.2% max. (in water)
• Physical Form: Powder
• Chemical Name or Material: Tartrazine

Safety and Handling

Product Identifier

• Tartrazine

RUO – Research Use Only