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Orange G

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Identification
Molecular formula
C16H10N2Na2O7S2
CAS number
1936-15-8
IUPAC name
2-hydroxy-5-[4-[4-[2-[5-[(2-hydroxy-5-sulfo-phenyl)hydrazono]-2,6-dioxo-cyclohex-3-en-1-ylidene]hydrazino]phenyl]phenyl]azo-benzoic acid
State
State

Orange G is generally found in a solid state at room temperature.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
480.00
Boiling point (Kelvin)
753.00
General information
Molecular weight
452.37g/mol
Molar mass
452.3720g/mol
Density
0.8995g/cm3
Appearence

Orange G is an orange-tinted azo dye. It typically appears as a reddish-orange powder.

Comment on solubility

Solubility of 2-hydroxy-5-[4-[4-[2-[5-[(2-hydroxy-5-sulfo-phenyl)hydrazono]-2,6-dioxo-cyclohex-3-en-1-ylidene]hydrazino]phenyl]phenyl]azo-benzoic acid

The solubility of 2-hydroxy-5-[4-[4-[2-[5-[(2-hydroxy-5-sulfo-phenyl)hydrazono]-2,6-dioxo-cyclohex-3-en-1-ylidene]hydrazino]phenyl]phenyl]azo-benzoic acid can be influenced by several key factors:

  • Polarity: The presence of hydroxyl groups and sulfonic acid groups contributes to the polarity of this compound, enhancing its potential for solubility in polar solvents, such as water.
  • Hydrogen Bonding: The hydroxyl functional groups can form hydrogen bonds with water molecules, which can facilitate solubility.
  • Ionic Interactions: The sulfonic acid group (-SO₃H) offers the possibility for ionic interactions with cations in solution, further increasing solubility in aqueous environments.
  • pH Dependency: The solubility might be influenced by the pH of the solution; at lower pH values, the sulfonic acid group remains protonated, which may enhance solubility in acidic conditions.

However, despite these factors, it is essential to note that high molecular weight and complex structure can also lead to limitations in solubility. As such, the overall solubility of this compound may need to be experimentally determined to fully understand its behavior in various solvents:

  • In acidic solutions, solubility may increase due to protonation.
  • In organic solvents, like alcohols, solubility might be variable and lower due to overall structure.

In conclusion, while the compound demonstrates a range of functionalities that may suggest decent solubility in polar solvents, its intricate structural properties necessitate careful consideration during dissolution processes.

Interesting facts

Interesting Facts about 2-hydroxy-5-[4-[4-[2-[5-[(2-hydroxy-5-sulfo-phenyl)hydrazono]-2,6-dioxo-cyclohex-3-en-1-ylidene]hydrazino]phenyl]phenyl]azo-benzoic acid

This compound is a fascinating example of azo dyes, which are known for their vibrant colors and widespread applications in various fields. Here are some intriguing facts:

  • Complex Structure: The compound features a multi-layered structure with multiple functional groups, making it highly versatile in its chemical reactivity.
  • Applications: Azo dyes like this one are primarily used in the textile industry for dyeing fabrics due to their rich pigmentation and stability.
  • Pharmaceutical Potential: Compounds with similar structures have been explored for their potential biological activities, including antibacterial and anti-inflammatory properties.
  • Synthetic Routes: The synthesis of such complex azo compounds often involves multi-step reactions, showcasing the creativity and precision required in organic chemistry.
  • Environmental Impact: While highly effective as dyes, some azo compounds can pose environmental hazards if not disposed of correctly, leading to increased research into safer alternatives.

Furthermore, the hydrazone linkage in this compound is noteworthy because it adds stability and modifies its reactivity, which can be crucial in designing targeted applications. Overall, exploring the applications and implications of compounds like this provides profound insights into both industrial practices and environmental considerations.