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Ensulizole

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Identification
Molecular formula
C13H10N2O3S
CAS number
27503-81-7
IUPAC name
2-phenyl-3H-benzimidazole-5-sulfonic acid
State
State

At room temperature, Ensulizole is in a solid state, specifically as a crystalline powder. It is stable under normal temperature and pressure conditions, making it suitable for various applications, especially in sunscreens where it is commonly used for its UV-filtering properties.

Melting point (Celsius)
215.00
Melting point (Kelvin)
488.15
Boiling point (Celsius)
402.70
Boiling point (Kelvin)
675.90
General information
Molecular weight
323.37g/mol
Molar mass
323.3660g/mol
Density
1.4900g/cm3
Appearence

Ensulizole typically appears as a white to pale yellow crystalline powder. It is often a free-flowing substance, and its appearance can slightly vary depending on its formulation and purity.

Comment on solubility

Solubility of 2-phenyl-3H-benzimidazole-5-sulfonic acid

2-phenyl-3H-benzimidazole-5-sulfonic acid is known for its intriguing solubility characteristics. Here’s a closer look at its solubility profile:

  • Water Solubility: This compound is generally considered to be moderately soluble in water, primarily due to the presence of the sulfonic acid group, which enhances its hydrophilicity.
  • Organic Solvents: It exhibits varying degrees of solubility in organic solvents. Common solvents like ethanol and methanol may dissolve the compound to some extent due to their polar nature.
  • pH Dependence: The solubility profile can be significantly affected by the pH of the solution. At lower pH, the sulfonic group remains protonated, which can increase its solubility.
  • Temperature Effects: An increase in temperature may enhance solubility, a common trait observed in many organic compounds, as higher temperatures generally allow for more solute to dissolve in a solvent.

In conclusion, the solubility characteristics of 2-phenyl-3H-benzimidazole-5-sulfonic acid make it a compound of interest for various applications. Understanding its solubility is crucial for effective experimental design and utilization in chemical processes.

Interesting facts

Interesting Facts About 2-Phenyl-3H-benzimidazole-5-sulfonic Acid

2-Phenyl-3H-benzimidazole-5-sulfonic acid is a fascinating compound that plays a significant role in various scientific and industrial applications. Below are some key highlights regarding this intriguing compound:

  • Structure Insights: This compound features a unique benzimidazole core, which is a bicyclic structure derived from benzene and imidazole. The presence of the sulfonic acid group enhances its solubility and reactivity, making it suitable for specific applications.
  • Biological Relevance: Research has indicated that benzimidazole derivatives can exhibit anti-parasitic and anti-cancer activity. This makes 2-phenyl-3H-benzimidazole-5-sulfonic acid a compound of interest in medicinal chemistry and drug development.
  • Analytical Applications: This compound can be used as a reagent in various analytical techniques. For instance, it might serve as a pH indicator, given its sulfonic acid group, which can influence its chromophore behavior based on the pH of the environment.
  • Material Science: Compounds similar to 2-phenyl-3H-benzimidazole-5-sulfonic acid are often investigated for their potential use in polymers and coatings due to their stability and functional properties.

Overall, 2-phenyl-3H-benzimidazole-5-sulfonic acid stands out as a multifunctional compound with a variety of applications, from biological research to material science. Its intriguing structure and unique properties make it a subject of ongoing interest in the scientific community.