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Sodium salt of Mordant Orange 1

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Identification
Molecular formula
C20H13NaN2O5S
CAS number
554-62-1
IUPAC name
sodium;3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate
State
State

At room temperature, the compound is in a solid state, typically as a powder.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
388.36g/mol
Molar mass
388.3560g/mol
Density
1.5640g/cm3
Appearence

The compound typically appears as a reddish-orange powder. It is often used as a dye and exhibits vibrant coloration properties.

Comment on solubility

Solubility of Sodium 3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]Naphthalene-1-Sulfonate

The solubility of Sodium 3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]Naphthalene-1-Sulfonate can be quite interesting due to its specific chemical structure. Here are some key points about its solubility:

  • Solvent Compatibility: This compound is generally soluble in polar solvents, particularly in water, owing to the presence of sulfonate groups that can form strong hydrogen bonds with water molecules.
  • Temperature Effect: The solubility may increase with temperature, a common characteristic for many organic compounds. Heating the solvent might improve dissolution rates.
  • pH Influence: The acidic or basic nature of the solution can affect solubility. In alkaline conditions, the ionization of the sulfonate group could enhance solubility, while in acidic conditions, it may have reduced solubility.
  • Comparison with Similar Compounds: Compounds with similar azo and sulfonate functionalities often exhibit good solubility in aqueous solutions, which can be attributed to their ionic nature.
  • Concentration Limits: While it is soluble in water, there is a limit to how much can be dissolved (saturation point) beyond which precipitation occurs, leading to the formation of solid particles.

As a general takeaway, *“the solubility of Sodium 3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]Naphthalene-1-Sulfonate is influenced by its ionic character and the nature of the solvent used.”* Understanding these aspects is essential for its practical applications in various chemical processes.

Interesting facts

Interesting Facts about Sodium 3-Hydroxy-4-[(2-Hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate

Sodium 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate is a fascinating compound with various applications in the fields of chemistry and biochemistry. Here are some interesting insights about this compound:

  • Dye Applications: This compound is primarily known for its use as a dye. It belongs to the class of azo dyes, which are characterized by the presence of the azo group (–N=N–). These dyes are widely employed in textiles, food, and cosmetics for their vibrant colors and stability.
  • Biological Activity: Azo compounds like this one often exhibit biological activities, including antibacterial properties. Researchers are actively exploring their potential in pharmaceuticals and antibacterial agents.
  • Analytical Chemistry: Sodium 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate is frequently used as a reagent in analytical chemistry. It serves as a colorimetric indicator for various ions, enabling precise measurements and qualitative analysis in complex mixtures.
  • Environmental Impact: Like many synthetic dyes, this compound raises environmental concerns regarding water pollution. Scientists are investigating environmentally friendly alternatives and methods for decolorizing wastewater containing azo dyes.
  • Historical Significance: The study of azo dyes dates back to the late 19th century. The synthesis and application of such compounds opened new avenues in chemistry and industrial processes, marking a significant turning point in dye production.

As more research unfolds, sodium 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate continues to be of significant interest to chemists, biologists, and environmentalists alike due to its versatility and potential impact across various fields.