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Orange G

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Identification
Molecular formula
C16H10N2NaO5S
CAS number
1936-15-8
IUPAC name
sodium;4-hydroxy-3-(2-methoxyphenyl)azo-naphthalene-1-sulfonate
State
State

Orange G is typically found as a solid powder at room temperature.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.38g/mol
Molar mass
452.3810g/mol
Density
1.3300g/cm3
Appearence

Orange G appears as an orange powder. It is commonly used in dyeing and has a bright, vibrant orange color when in powdered form.

Comment on solubility

Solubility of Sodium 4-Hydroxy-3-(2-methoxyphenyl)azo-naphthalene-1-sulfonate

The solubility of Sodium 4-Hydroxy-3-(2-methoxyphenyl)azo-naphthalene-1-sulfonate is influenced by several factors, which reflect its unique chemical structure. This compound is often used in various applications, making its solubility characteristics significant. Here are some key points regarding its solubility:

  • Water Solubility: Due to the presence of a sulfonate group, this compound exhibits high solubility in water. The sulfonate moiety polarizes the compound, facilitating interactions with water molecules.
  • Organic Solvents: It is generally less soluble in non-polar organic solvents. This limited solubility correlates with the hydrophilic character of the sulfonate group.
  • pH Dependence: The solubility may vary with changes in pH, which can affect the ionization state of the compound, possibly enhancing its aqueous solubility in alkaline conditions.
  • Temperature Effect: Like many compounds, an increase in temperature tends to increase solubility in water. Thus, heating may aid in dissolving this compound quickly.

In summary, the solubility profile of Sodium 4-Hydroxy-3-(2-methoxyphenyl)azo-naphthalene-1-sulfonate encapsulates the delicate balance of its structure and environmental conditions, making it a fascinating compound for further studies in solubility behavior.

Interesting facts

Interesting Facts about Sodium 4-Hydroxy-3-(2-Methoxyphenyl)azo-naphthalene-1-sulfonate

Sodium 4-hydroxy-3-(2-methoxyphenyl)azo-naphthalene-1-sulfonate, often referred to as a type of azo dye, is a fascinating compound with a variety of applications and properties that make it noteworthy in the field of chemistry.

Key Characteristics

  • Azo Dyes: This compound belongs to the azo dye family, characterized by the presence of a nitrogen-nitrogen double bond (N=N). Azo dyes are known for their vibrant colors and are used extensively in textiles and food industries.
  • Color Variety: Due to the unique structure of this compound, it can produce different colors depending on factors such as pH and solvent, making it versatile for various applications.
  • Environmental Impact: As with many synthetic dyes, the environmental implications of azo compounds are of concern. Research into biodegradable and less toxic alternatives is ongoing, showcasing the compound's relevance in eco-friendly chemistry.

Applications

  • Textile Industry: Sodium 4-hydroxy-3-(2-methoxyphenyl)azo-naphthalene-1-sulfonate is commonly used in coloring fabrics, particularly for its strong tint and stability.
  • Biological Applications: Some azo compounds exhibit biological activity and can be used in various biomedical applications, including staining in microscopy.
  • Indicators: Due to its color-changing properties, it is also used as a pH indicator in various chemical analyses.

Did You Know?

In a study on azo dyes, scientists found that these compounds can undergo reduction reactions, which can lead to the release of toxic aniline derivatives. This has sparked significant research into safe handling, disposal, and potential health risks associated with their use.

In conclusion, sodium 4-hydroxy-3-(2-methoxyphenyl)azo-naphthalene-1-sulfonate exemplifies the complex interplay between chemistry, technology, and environmental science. Its vibrant color and wide range of applications make it a compound of significant interest for ongoing research and practical uses.