Skip to main content

Methyl orange

ADVERTISEMENT
Identification
Molecular formula
C14H14N3NaO3S
CAS number
547-58-0
IUPAC name
sodium;4-[4-(dimethylamino)phenyl]azobenzenesulfonate
State
State

Methyl orange is typically in a solid state at room temperature in the form of a fine powder. In aqueous solution, it is used as a pH indicator.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
327.33g/mol
Molar mass
327.3330g/mol
Density
1.2800g/cm3
Appearence

Methyl orange appears as an orange-yellow crystalline powder. When dissolved in water, it produces an orange solution.

Comment on solubility

Solubility of Sodium; 4-[4-(dimethylamino)phenyl]azobenzenesulfonate

The solubility of sodium; 4-[4-(dimethylamino)phenyl]azobenzenesulfonate can be fascinating, particularly due to its structural characteristics. Generally, the solubility of this compound is influenced by several key factors:

  • Ionic Nature: As a sodium salt, the ionic characteristics typically promote good solubility in water.
  • Polar Functional Groups: The presence of sulfonate groups enhances solubility by allowing interaction with polar solvents.
  • Hydrophobic Interactions: The azobenzene moiety could introduce hydrophobic effects that might affect solubility in organic solvents.

In terms of practical implications, one might observe that:

  1. The compound is likely to dissolve readily in aqueous environments, making it suitable for various applications in biological and chemical systems.
  2. In non-polar solvents, the solubility may be limited, which could affect its functionality in those contexts.

In conclusion, the solubility of sodium; 4-[4-(dimethylamino)phenyl]azobenzenesulfonate demonstrates how structural elements play a crucial role in determining the interaction with solvents. As with many compounds, understanding these dynamics is vital for research and practical applications.

Interesting facts

Interesting Facts about Sodium 4-[4-(Dimethylamino)phenyl]azobenzenesulfonate

Sodium 4-[4-(dimethylamino)phenyl]azobenzenesulfonate, often referred to as a dye or azo compound, is particularly notable for its vibrant color and applications in various fields. Here are some intriguing aspects of this compound:

  • Azo Compound: As an azo compound, it contains a nitrogen-nitrogen double bond (–N=N–). This functional group is responsible for the bright colors that these compounds often exhibit, making them useful as dyes and pigments.
  • Applications: Sodium 4-[4-(dimethylamino)phenyl]azobenzenesulfonate is frequently utilized in the textile industry for dyeing fabrics. Its ability to impart vibrant colors makes it a staple in producing dyes for clothing, upholstery, and other materials.
  • Biological Interactions: This compound may play a role in biological systems and has been studied for its interactions with various biomolecules. The dimethylamino group can facilitate interactions that are pertinent in fields like biochemistry and pharmacology.
  • Environmental Concerns: Like many dyes, there are environmental implications of using sodium 4-[4-(dimethylamino)phenyl]azobenzenesulfonate. Its persistence in the environment and potential toxicity needs careful consideration during its application and disposal.
  • Structure-Activity Relationship: The variation in substituents around the azo and aromatic groups significantly influences the dye’s properties. Understanding these structures aids in synthesizing new compounds with desirable characteristics.
  • Research Significance: This compound is often utilized in research to explore newer dye formations and as a model to study photoisomerization processes, where compounds change their structure upon light exposure.

In summary, sodium 4-[4-(dimethylamino)phenyl]azobenzenesulfonate stands out not only for its aesthetic contributions to the dye industry but also its complex chemistry and implications in biological and environmental contexts. As a chemistry student or professional, understanding its properties and applications can open doors to innovative uses and research opportunities.