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C.I. Acid Red 138

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Identification
Molecular formula
C24H16N4O8S
CAS number
72010-16-3
IUPAC name
5-[4-[4-[2-[4,6-dioxo-5-[(4-sulfophenyl)hydrazono]cyclohex-2-en-1-ylidene]hydrazino]phenyl]phenyl]azo-2-hydroxy-benzoic acid
State
State
C.I. Acid Red 138 is found in a solid state at room temperature. It is primarily available in powder form, ideal for use in textile and ink applications.
Melting point (Celsius)
350.00
Melting point (Kelvin)
623.00
Boiling point (Celsius)
-1.00
Boiling point (Kelvin)
-1.00
General information
Molecular weight
605.52g/mol
Molar mass
605.5200g/mol
Density
1.4900g/cm3
Appearence

C.I. Acid Red 138 typically appears as a red to maroon powder. It is used as a dye in various applications, providing vibrant red hues.

Comment on solubility

Solubility of 5-[4-[4-[2-[4,6-dioxo-5-[(4-sulfophenyl)hydrazono]cyclohex-2-en-1-ylidene]hydrazino]phenyl]phenyl]azo-2-hydroxy-benzoic acid

The solubility of the compound 5-[4-[4-[2-[4,6-dioxo-5-[(4-sulfophenyl)hydrazono]cyclohex-2-en-1-ylidene]hydrazino]phenyl]phenyl]azo-2-hydroxy-benzoic acid is influenced by its complex molecular structure, which includes both hydrophobic and hydrophilic groups. This results in varying solubility profiles depending on the solvent used.

Key points regarding its solubility include:

  • Solvent Polarity: This compound is likely to be more soluble in polar solvents due to the presence of the sulfophenyl group, which enhances its interaction with water.
  • Temperature Dependence: The solubility may increase with temperature, a common trait for many organic compounds, leading to better dissolution rates in higher temperatures.
  • pH Levels: As this compound contains a carboxylic acid group, changes in pH can significantly affect solubility; it may become more soluble in alkaline conditions where deprotonation occurs.

In summary, the solubility of 5-[4-[4-[2-[4,6-dioxo-5-[(4-sulfophenyl)hydrazono]cyclohex-2-en-1-ylidene]hydrazino]phenyl]phenyl]azo-2-hydroxy-benzoic acid varies with solvent choice, temperature, and pH, highlighting its potential applications in specific environments where these factors are favorable.

Interesting facts

Interesting Facts About 5-[4-[4-[2-[4,6-dioxo-5-[(4-sulfophenyl)hydrazono]cyclohex-2-en-1-ylidene]hydrazino]phenyl]phenyl]azo-2-hydroxy-benzoic acid

This compound, often referred to in the chemical literature for its complex structure, is a fascinating example of synthesized organic molecules. Here are some interesting highlights:

  • Advanced Structure: The intricate architecture of the molecule showcases multiple functional groups, such as sulfonic acid, azo, and hydrazone functionalities, which can impart a variety of chemical reactivity and potential applications.
  • Applications in Dyes: Due to the presence of the azo group, this compound may be utilized in the production of dyes and pigments, contributing vibrant colors to textiles, inks, and plastics.
  • Photophysical Properties: A remarkable feature of such azo compounds is their unique photophysical properties, which allow them to absorb light at specific wavelengths. This leads to potential applications in sensors and photonic devices.
  • Medical Research Potential: Compounds with similar structures are often investigated for pharmaceutical applications, such as anti-cancer agents or as markers in biochemical assays, prompting further research into this specific compound’s biological activity.
  • Environmental Considerations: The sulfonic acid group enhances water solubility, possibly making it a candidate for more environmentally friendly dyes that minimize organic solvent use in coloration processes.

As with many complex organic compounds, the study of 5-[4-[4-[2-[4,6-dioxo-5-[(4-sulfophenyl)hydrazono]cyclohex-2-en-1-ylidene]hydrazino]phenyl]phenyl]azo-2-hydroxy-benzoic acid opens the door to various fields within chemistry, offering opportunity for innovation in both industrial applications and fundamental research. These attributes highlight the importance of structural diversity in organic synthesis and the potential impact such compounds can have across multiple disciplines.