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Acid Yellow 36

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Identification
Molecular formula
C18H14N3O3S
CAS number
587-98-4
IUPAC name
4-(4-anilinophenyl)azobenzenesulfonic acid
State
State

At room temperature, Acid Yellow 36 is typically a solid. It is often used in its powdered form in industrial applications.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
485.20
Boiling point (Kelvin)
758.30
General information
Molecular weight
350.38g/mol
Molar mass
350.3810g/mol
Density
1.5500g/cm3
Appearence

Acid Yellow 36 is a synthetic yellow azo dye with a bright yellow color, often used in dyeing textiles. It is typically available as a powdered solid.

Comment on solubility

Solubility of 4-(4-anilinophenyl)azobenzenesulfonic acid

4-(4-anilinophenyl)azobenzenesulfonic acid, often referred to for its unique structural features, exhibits specific solubility characteristics that are noteworthy:

  • Water Solubility: This compound is generally soluble in water due to the presence of the sulfonic acid group, which enhances its ability to interact with water molecules.
  • Solvent Compatibility: It demonstrates greater solubility in polar solvents compared to non-polar solvents, aligning with the principles of solubility where "like dissolves like."
  • pH Dependence: The solubility can vary with pH. As a sulfonic acid, it is more soluble in acidic conditions, which can lead to the protonation of its functional groups.
  • Temperature Effects: Increased temperatures can enhance solubility, as is common with many organic compounds; however, this is subject to specific conditions and concentrations.

In conclusion, it can be noted that the solubility of 4-(4-anilinophenyl)azobenzenesulfonic acid is significantly influenced by several factors, making it essential to consider these when preparing solutions for practical applications. Understanding the solubility behavior not only plays a vital role in its usage but also ensures better handling in laboratory settings.

Interesting facts

Interesting Facts about 4-(4-anilinophenyl)azobenzenesulfonic acid

4-(4-anilinophenyl)azobenzenesulfonic acid is a fascinating compound renowned for its vivid color and valuable applications in various fields. Here are some intriguing insights:

  • Colorful Chemistry: This compound is part of the azo dye family, characterized by the presence of a -N=N- azo group, which is responsible for its intense coloration. Azo dyes can display vibrant hues ranging from reds to yellows, making them popular in textiles and inks.
  • Industrial Applications: Due to its exceptional chromatic properties, 4-(4-anilinophenyl)azobenzenesulfonic acid is widely used in the manufacture of dyes and pigments for fabrics, paper, and plastics.
  • pH Indicator: This compound also has potential as a pH indicator due to its structural composition. It can undergo color changes in response to different pH levels, which can be useful in various laboratory settings.
  • Biological Relevance: Research suggests that azo compounds may have biological activities, providing a cornerstone for exploring their therapeutic potential and mechanisms of action in biological systems.
  • Environmental Concerns: With the application of azo dyes comes the need for caution. Some azo compounds are known to degrade into harmful aromatic amines, raising environmental and health concerns that merit attention in their usage and disposal.

In summary, 4-(4-anilinophenyl)azobenzenesulfonic acid is not only pivotal in dye chemistry but also serves as a reminder of the intricate relationships between chemistry and environmental science. As a scientist, one must appreciate both its utility and the implications of its use in various industries. As the renowned chemist Linus Pauling once said, "The chemistry of today is the physics of tomorrow." Embracing this concept can pave the way for innovative solutions and technologies.

Synonyms
Benzenesulfonic acid, 4-(2-(4-(phenylamino)phenyl)diazenyl)-
Benzenesulfonic acid, 4-[2-[4-(phenylamino)phenyl]diazenyl]-
17040-79-8
9E2CEF6UXR
4-((4-(Anilino)phenyl)azo)benzenesulphonic acid
4-[[4-(anilino)phenyl]azo]benzenesulphonic acid
4-[(4-anilinophenyl)diazenyl]benzenesulfonic acid
Benzenesulfonic acid, 4-((4-(phenylamino)phenyl)azo)-
Benzenesulfonic acid, 4-[[4-(phenylamino)phenyl]azo]-
4-[(4-Anilinophenyl)diazenyl]benzene-1-sulfonic acid
4-((4-ANILINOPHENYL)DIAZENYL)BENZENE-1-SULFONIC ACID
UNII-9E2CEF6UXR
4-(4-ANILINOPHENYLAZO)BENZENESULFONICACI D
SCHEMBL460751
DTXSID6066151
LXEMVZAXEIKMOU-UHFFFAOYSA-N
DTXSID801043635
AKOS024389702
4-(4'-anilinophenylazo)benzenesulphonic acid
NS00025584
4-[(E)-(4-Anilinophenyl)diazenyl]benzenesulfonic acid
1071758-89-8