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Sudan I

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Identification
Molecular formula
C16H12N2O
CAS number
842-07-9
IUPAC name
1-[4-(dihydroxyamino)phenyl]azonaphthalen-2-amine
State
State

At room temperature, Sudan I is typically found in a solid state, presenting itself as a powder.

Melting point (Celsius)
131.00
Melting point (Kelvin)
404.15
Boiling point (Celsius)
440.00
Boiling point (Kelvin)
713.15
General information
Molecular weight
248.28g/mol
Molar mass
248.2750g/mol
Density
1.0800g/cm3
Appearence

Sudan I appears as a reddish-yellow, crystalline powder. It is a synthetic azo dye, typically used for industrial purposes. The compound often exhibits good solubility in organic solvents, yet it has poor water solubility, leading to its bright and distinct coloration in applications where it is used.

Comment on solubility

Solubility of 1-[4-(dihydroxyamino)phenyl]azonaphthalen-2-amine

The solubility of 1-[4-(dihydroxyamino)phenyl]azonaphthalen-2-amine can be quite intriguing due to its complex structure. This compound possesses distinct functional groups that can influence how it interacts with solvents:

  • Dihydroxyamino Group: The presence of hydroxyl (-OH) groups often leads to increased solubility in polar solvents, particularly water.
  • Azobenzenic Structure: The azo group may impact solubility depending on the molecular environment and the presence of substituents.
  • Solvent Interactions: Solubility can vary significantly based on the choice of solvent. For instance, it might dissolve better in organic solvents that can engage in hydrogen bonding.

Typically, compounds with such functional groups are expected to be:

  1. More soluble in polar solvents: Including water and alcohols due to potential hydrogen bonding.
  2. Less soluble in non-polar solvents: Such as hexane, where the polarity is mismatched.

In conclusion, the solubility of 1-[4-(dihydroxyamino)phenyl]azonaphthalen-2-amine is influenced by its functional groups, suggesting that it may exhibit moderate to high solubility in polar media while potentially being less soluble in non-polar environments. Caution should be taken to ascertain the best solvent for practical applications.

Interesting facts

Interesting Facts About 1-[4-(Dihydroxyamino)phenyl]azonaphthalen-2-amine

The compound 1-[4-(dihydroxyamino)phenyl]azonaphthalen-2-amine, often referred to simply by its structural components, is an intriguing chemical entity within the field of organic chemistry. It showcases a fascinating interplay between structural complexity and functional capability.

Key Characteristics

  • Versatility: This compound is essential in dye chemistry, particularly in the synthesis of azo dyes, which are widely used in textiles and various industries.
  • Biological Potential: Compounds with amino and hydroxyl functional groups can have significant biological activities, potentially serving as precursors for pharmaceuticals or bioactive materials.
  • Stability: Its aromatic structure contributes to chemical stability, which is a vital property for various applications in research and industry.

Applications

The applications of 1-[4-(dihydroxyamino)phenyl]azonaphthalen-2-amine extend beyond dyes and pigments. Here are some areas of interest:

  • Dye Manufacturing: It plays a crucial role in creating vibrant colors and styles in the textile industry.
  • Analytical Chemistry: This compound can be utilized in certain analytical techniques, such as chromatography, to help separate and identify different chemical substances.
  • Research Material: In academic settings, it serves as a valuable example for studying azo compounds and their reactivity.

As a scientist or chemistry student, you would appreciate how the nomenclature itself describes the compound's structure, with components indicating the presence of both azo and amino functionalities. Moreover, the phrase “dihydroxyamino” highlights the potential for unique reactivity due to the dual hydroxyl groups, enabling the compound to participate in a variety of chemical reactions, including diazotization and coupling reactions.

In conclusion, 1-[4-(dihydroxyamino)phenyl]azonaphthalen-2-amine exemplifies the depth and breadth of organic compounds, marrying understanding of reactivity with practical applications in industrial and analytical contexts. Its study offers a window into the complex world of chemical interactions and transformations, making it a worthy subject of exploration.