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Tartrazine

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Identification
Molecular formula
C16H9Cl2N5O7S2
CAS number
1934-21-0
IUPAC name
2,5-dichloro-4-[3-methyl-5-oxo-4-[3-(2-phenylethylsulfamoyl)phenyl]azo-4H-pyrazol-1-yl]benzenesulfonic acid
State
State

At room temperature, Tartrazine is typically found as a solid. It is stable under normal conditions and is often used in powder form, but it is soluble in water and is primarily used in aqueous solutions for its dye capabilities.

Melting point (Celsius)
0.00
Melting point (Kelvin)
273.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
273.15
General information
Molecular weight
534.36g/mol
Molar mass
534.3620g/mol
Density
1.4900g/cm3
Appearence

Tartrazine appears as a bright yellow to orange crystalline powder. It is commonly used as a food coloring and dye, and can dissolve in water to give a yellow solution. The shade of the yellow can sometimes give a more intense appearance when used in food products or other materials.

Comment on solubility

Solubility of 2,5-Dichloro-4-[3-methyl-5-oxo-4-[3-(2-phenylethylsulfamoyl)phenyl]azo-4H-pyrazol-1-yl]benzenesulfonic Acid

The solubility of 2,5-dichloro-4-[3-methyl-5-oxo-4-[3-(2-phenylethylsulfamoyl)phenyl]azo-4H-pyrazol-1-yl]benzenesulfonic acid (C16H9Cl2N5O7S2) is an essential aspect to consider when studying this compound. Its solubility behavior can affect its application in various fields, such as pharmaceuticals and dyes. Key points regarding its solubility are as follows:

  • Solvent Polarity: The presence of sulfonic acid groups typically increases solubility in polar solvents, particularly water.
  • Hydrogen Bonding: The functional groups present, such as the sulfonic acid and the amide, may facilitate hydrogen bonding with water molecules, enhancing solubility.
  • Temperature Influence: As with many organic compounds, increased temperature may aid in achieving higher solubility.
  • pH Dependence: The solubility of the acidic form may change with pH, as deprotonation can lead to increased solubility in basic conditions.
  • Synergistic Effects: Solvents mixed with co-solvents may sometimes increase the overall solubility profile significantly.

In summary, the solubility of this compound is influenced by various factors such as solvent characteristics, temperature, and pH. Understanding these parameters is crucial for optimizing the use of this compound in practical applications.

Interesting facts

Interesting Facts about 2,5-Dichloro-4-[3-methyl-5-oxo-4-[3-(2-phenylethylsulfamoyl)phenyl]azo-4H-pyrazol-1-yl]benzenesulfonic Acid

This compound, known for its complexity, is a fascinating example of modern chemical synthesis and design. Here are some intriguing facts that highlight its significance:

  • Industrial Relevance: Compounds like this play crucial roles in various industries, particularly in pharmaceuticals. The incorporation of sulfonic acid groups often enhances solubility and bioavailability, making them valuable in drug formulation.
  • Functionalization: The presence of multiple functional groups, including azo and sulfonamide functionalities, allows for diverse applications in dye chemistry and as intermediates in organic synthesis.
  • Color Chemistry: The azo group (-N=N-) is responsible for vibrant coloring properties, which makes such compounds interesting in the field of dye manufacturing and staining processes.
  • Research Significance: Scientists are continuously exploring the therapeutic potential of similar structures in treating various diseases, particularly cancer, due to their targeted action mechanisms.
  • Synthetic Pathways: The synthesis of this compound involves intricate multi-step reactions, showcasing the art and science of organic synthesis. Such processes often require advanced techniques including protection/deprotection and coupling reactions.

Furthermore, this compound serves as an inspiration for developing novel therapeutic agents that could lead to breakthroughs in medicine. As research progresses, understanding and manipulating such compounds could pave the way for tailored treatments and innovative drug designs.

In conclusion, 2,5-dichloro-4-[3-methyl-5-oxo-4-[3-(2-phenylethylsulfamoyl)phenyl]azo-4H-pyrazol-1-yl]benzenesulfonic acid serves as a testament to the complexity and beauty of chemical compounds, embodying both challenges and opportunities for scientists working in various fields of research.

Synonyms
DTXSID90864315
2,5-Dichloro-4-[3-methyl-5-oxo-4-({3-[(2-phenylethyl)sulfamoyl]phenyl}diazenyl)-4,5-dihydro-1H-pyrazol-1-yl]benzene-1-sulfonic acid