4-(4-Chlorophenyl)azobenzenesulfinic acid

Identification

Molecular formula

C₁₂H₉ClN₂O₂S

CAS number

589-63-9

IUPAC name

4-(4-chlorophenyl)azobenzenesulfinic acid

State

At room temperature, 4-(4-Chlorophenyl)azobenzenesulfinic acid is in a solid state. Like many other sulfinic acids, it is expected to be crystalline with a color that reflects its azo dye characteristics.

Melting point (Celsius)

120.00

Melting point (Kelvin)

393.15

Boiling point (Celsius)

333.00

Boiling point (Kelvin)

606.15

General information

Molecular weight

297.73g/mol

Molar mass

297.7280g/mol

Density

1.3200g/cm³

Appearence

4-(4-Chlorophenyl)azobenzenesulfinic acid typically appears as a solid compound. It may be characterized by its distinct color, often displaying shades associated with azo compounds such as orange or red, due to the presence of the azo group (-N=N-).

Comment on solubility

Solubility of 4-(4-chlorophenyl)azobenzenesulfinic acid

4-(4-chlorophenyl)azobenzenesulfinic acid, known for its intriguing structural characteristics, presents variable solubility profiles that depend on several factors. Generally, organic compounds like this one are influenced by the presence of functional groups within their molecular structure:

Polar groups: The sulfinic acid group in this compound contributes to its polarity, which can enhance solubility in polar solvents such as water.
Hydrophobic regions: The chloro-substituted phenyl ring introduces hydrophobic characteristics, potentially decreasing overall solubility in polar solvents.
pH Influence: The acidic nature of sulfinic acid means that its solubility can vary significantly with pH. Increased acidity can promote ionization, thus enhancing solubility.

In summary, while 4-(4-chlorophenyl)azobenzenesulfinic acid may exhibit moderate solubility in water, the intricacies of its structure lead to a nuanced solubility behavior that is affected by external conditions such as solvent choice and pH level. As stated, "The solubility of a compound is a dance between its hydrophilic and hydrophobic regions."

Understanding the solubility in different environments is crucial for its application in chemical processes and formulations.

Interesting facts

4-(4-Chlorophenyl)azobenzenesulfinic Acid: An Overview

4-(4-Chlorophenyl)azobenzenesulfinic acid is a fascinating compound notable for both its structural characteristics and its applications. As a member of the azobenzene family, it is particularly recognized for its azo group, which is responsible for its vibrant colors and photochemical properties. Here’s what makes this compound interesting:

Photoresponsive Behavior: Compounds in the azobenzene family can undergo reversible isomerization upon exposure to UV or visible light. This property is not just unique; it opens doors to applications in photonic devices and molecular switches.
Drug Development: Research has shown that derivatives of sulfinic acids, like 4-(4-chlorophenyl)azobenzenesulfinic acid, can possess significant biological activity. This makes them potential candidates in medicinal chemistry.
Environmental Impact: Compounds containing chlorine, such as this one, are often scrutinized for their environmental effects. The study of their degradation and behavior in ecosystems is essential for understanding their ecological footprint.
Synthetic Versatility: This compound can serve as a building block for synthesizing a range of other chemical structures, particularly in the fields of dyes and pigments, due to its stable azo linkage.

As you delve into the nuances of 4-(4-chlorophenyl)azobenzenesulfinic acid, consider its multifaceted role not only in chemistry but also in broader applications in the fields of materials science, environmental chemistry, and pharmacology. The exploration of such compounds often leads to innovative advancements and discoveries.