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Tartrazine

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Identification
Molecular formula
C16H9N4Na3O9S2
CAS number
1934-21-0
IUPAC name
4-[3-methyl-4-[4-methyl-3-(phenylsulfamoyl)phenyl]azo-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid
State
State

At room temperature, Tartrazine is in a solid state. It is typically available in the form of a powder, which is conducive for its use as a dye and food coloring agent.

Melting point (Celsius)
254.00
Melting point (Kelvin)
527.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
534.37g/mol
Molar mass
534.3660g/mol
Density
1.6500g/cm3
Appearence

Tartrazine is a bright, lemon yellow powder that is commonly used as a food coloring and dye. It is known for its vibrant color, which is effective in giving a yellow hue to various products. As a dye, it is typically found in powdered form.

Comment on solubility

Solubility of 4-[3-methyl-4-[4-methyl-3-(phenylsulfamoyl)phenyl]azo-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid

The solubility of 4-[3-methyl-4-[4-methyl-3-(phenylsulfamoyl)phenyl]azo-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid can be influenced by a variety of factors, making it an interesting compound to study:

  • Polarity: The presence of sulfonic acid groups typically increases polarity, enhancing the compound's solubility in polar solvents like water.
  • pH Sensitivity: As a sulfonic acid, solubility may change with varying pH levels in the solution, affecting ionic form and solvation.
  • Temperature: Solubility can also be temperature-dependent; generally, an increase in temperature leads to increased solubility for many solid compounds.
  • Solvent Choice: The choice of solvent plays a crucial role. For instance, the compound might exhibit significant solubility in organic solvents, depending on the polarity of the solvent.

In summary, understanding the solubility of this complex compound requires careful consideration of its structural features and the environmental conditions of the solvent. Testing under various conditions is essential to fully characterize its solubility profile.

Interesting facts

Interesting Facts about 4-[3-methyl-4-[4-methyl-3-(phenylsulfamoyl)phenyl]azo-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid

This compound is a fascinating example of a high-performance dye used predominantly in the fields of biological and chemical research. Here are some intriguing aspects of this compound:

  • Structure Complexity: The complexity of its structure, featuring multiple aromatic rings and functional groups, makes it an interesting molecule for studying molecular interactions and electron transitions.
  • Biological Applications: Its unique properties allow it to be used as a biological stain, making it possible to visualize cells and tissues under a microscope.
  • Sulfamoyl Group: The presence of the sulfamoyl group contributes to the compound's versatility in medicinal chemistry, often enhancing biological activity or facilitating drug design.
  • Azo Group Dynamics: The azo (-N=N-) functionality is key in dye chemistry, as it imparts vibrant colors and is widely recognized for its use in textile applications.
  • Environmental Considerations: Dyes and their degradation products are important topics of study in environmental chemistry, as they can impact ecosystems if not properly managed.

In the words of a renowned chemist, "Understanding the intricacies of such compounds not only broadens our knowledge of chemical interactions but also paves the way for innovations in medical and industrial applications."

This compound's potential stretches far beyond theoretical study; it serves as a bridge between academic exploration and practical utility in modern science!

Synonyms
25739-67-7
Acid Yellow 25 free acid
EINECS 247-224-7
0ZS29NN04G
p-(4,5-Dihydro-3-methyl-4-((4-methyl-3-((phenylamino)sulphonyl)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)benzenesulphonic acid
Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-((4-methyl-3-((phenylamino)sulfonyl)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-
Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-
P-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulphonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid
benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-(2-(4-methyl-3-((phenylamino)sulfonyl)phenyl)diazenyl)-5-oxo-1h-pyrazol-1-yl)-
UNII-0ZS29NN04G
P-[4,5-DIHYDRO-3-METHYL-4-[[4-METHYL-3-[(PHENYLAMINO)SULFONYL]PHENYL]AZO]-5-OXO-1H-PYRAZOL-1-YL]BENZENESULFONIC ACID
DTXSID60863754
DNNYNDQWWWDTPP-UHFFFAOYSA-N
DB-285513
NS00048289
4-(3-Methyl-4-{[4-methyl-3-(phenylsulfamoyl)phenyl]diazenyl}-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonic acid