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Direct Red 23

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Identification
Molecular formula
C25H22N4Na2O5S2
CAS number
3441-14-3
IUPAC name
sodium;4-(2,4-diaminophenyl)azobenzenesulfonate
State
State

At room temperature, it is a solid powder.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
492.00
Boiling point (Kelvin)
765.15
General information
Molecular weight
702.67g/mol
Molar mass
702.6700g/mol
Density
1.4300g/cm3
Appearence

Direct Red 23 appears as a red to dark violet powder. It is commonly used as a dye, characterized by its intense color.

Comment on solubility

Solubility of Sodium 4-(2,4-Diaminophenyl)Azobenzenesulfonate

The solubility of sodium 4-(2,4-diaminophenyl)azobenzenesulfonate, often referred to as an azo dye derivative, is influenced by its ionic nature and the presence of functional groups. This compound is known for its considerable solubility in polar solvents.

Factors Affecting Solubility:

  • Ionicity: Being a sodium salt, it readily dissociates in aqueous solutions, enhancing its solubility.
  • Hydrophilicity: The sulfonate group (-SO₃Na) contributes to its ability to interact favorably with water molecules.
  • Temperature: Solubility typically increases with rising temperature, making it more soluble at higher temperatures.

In general, compounds like sodium 4-(2,4-diaminophenyl)azobenzenesulfonate exhibit a high degree of solubility in water, making them suitable for various industrial applications, including dyes and pigments. It is worth noting that the solubility can vary based on the specific formulation and conditions of use.

In summary, the solubility profile of this compound can be succinctly stated:

  • Highly soluble in water due to ionic character.
  • Increased solubility with temperature elevation.
  • Efficiently interacts with polar solvents.
Interesting facts

Interesting Facts about Sodium 4-(2,4-Diaminophenyl)azobenzenesulfonate

Sodium 4-(2,4-diaminophenyl)azobenzenesulfonate, often just referred to in shorthand forms in research protocols, is an intriguing compound with notable properties and applications in various fields. This compound is part of the azo class, which features a unique and vibrant color due to the azo group (-N=N-). Here are some engaging facts about this fascinating chemical:

  • Color Agents: Due to the presence of the azo functional group, this compound can exhibit striking colors, making it valuable in the production of dyes used in textiles and food.
  • Biological Relevance: It is studied for its potential applications in drug formulation and medicinal chemistry, particularly due to the amino groups which may influence biological activity.
  • Environmental Impact: The azo dyes, including this compound, have drawn attention for their potential toxicity and environmental effects, prompting research into safer alternatives or degradation methods.
  • Electrochemical Applications: The redox properties of compounds in the azo family make them suitable for electrochemical applications, including sensors and devices.
  • Chemistry Education: This compound serves as an excellent example in teaching about functional groups, the importance of structural variations, and their impact on chemical properties.

The vibrant world of chemical compounds like sodium 4-(2,4-diaminophenyl)azobenzenesulfonate illustrates the diversity and utility found in synthetic chemistry. As noted by researchers, “The applications span from industrial to biochemical, reflecting the compound's versatility in real-world applications.”

This compound not only has implications in practical applications but also provides a rich ground for scientific inquiry and education in chemistry.