Thermo Scientific Chemicals Tartrazine, 89%, pure

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.

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

>300.0°C

Color

Orange

Infrared Spectrum

Authentic

Assay Percent Range

89%

Packaging

Glass bottle

Quantity

500 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

Hazard Category

GHS Signal Word: Danger

EINECSNumber

217-699-5

SDS

Hazard Category

GHS Signal Word: Danger

EINECSNumber

217-699-5

SDS

RUO – Research Use Only