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5-Amino-7-ethoxy-naphthalene-2-sulfonic acid

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Identification
Molecular formula
C12H13NO4S
CAS number
2933-55-1
IUPAC name
5-amino-7-ethoxy-naphthalene-2-sulfonic acid
State
State

Typically found as a solid at room temperature. It is stable and not volatile under normal conditions.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
450.00
Boiling point (Kelvin)
723.00
General information
Molecular weight
273.31g/mol
Molar mass
273.3140g/mol
Density
1.5300g/cm3
Appearence

Appearance: A yellow solid that is often used as an intermediate in the production of dyes. It can be found in crystalline powder form.

Comment on solubility

Solubility of 5-amino-7-ethoxy-naphthalene-2-sulfonic acid

5-amino-7-ethoxy-naphthalene-2-sulfonic acid is a compound that exhibits interesting solubility characteristics, predominantly due to its sulfonic acid functional group. This group significantly enhances the compound's ability to dissolve in water and organic solvents. Here are some key points regarding its solubility:

  • Water Solubility: The presence of the sulfonic acid group increases the hydrophilicity, allowing for good solubility in aqueous solutions.
  • Organic Solvents: It can also dissolve in polar organic solvents, although its solubility may vary based on the specific solvent's properties.
  • pH Dependence: The solubility can change with pH levels; in more acidic environments, the compound remains ionized and soluble, while in neutral to basic environments, solubility could decrease due to potential deprotonation.

As a general observation, compounds with ionic functional groups, like sulfonic acids, tend to exhibit higher solubility in water. In contrast, non-polar functional groups can lead to reduced solubility. Thus, 5-amino-7-ethoxy-naphthalene-2-sulfonic acid is expected to be more soluble due to its unique structure.

In conclusion, the solubility of this compound is fascinating to explore, providing insights into its behavior in both biological and industrial applications. Understanding these solubility traits can be a significant advantage when considering the compound's utility in various fields.

Interesting facts

Interesting Facts about 5-Amino-7-ethoxy-naphthalene-2-sulfonic Acid

5-Amino-7-ethoxy-naphthalene-2-sulfonic acid is a fascinating compound that belongs to the class of sulfonic acids. Here are some intriguing aspects of this compound:

  • Role in Azo Dye Synthesis: This compound is often utilized as an intermediate in the synthesis of azo dyes. Azo dyes are characterized by the presence of the azo group (–N=N–) and are pivotal in textile and pigment industries for their vibrant colors and stability.
  • Biological Relevance: The amino group present in its structure often contributes to the compound's reactivity, making it a candidate for various biochemical applications, including enzyme inhibition studies.
  • Environmental Considerations: Like many industrial chemicals, the safe handling and disposal of 5-amino-7-ethoxy-naphthalene-2-sulfonic acid is important. Compounds derived from naphthalene have been scrutinized for their potential environmental impact, emphasizing the need for sustainable practices in chemical manufacturing.
  • Analytical Applications: This compound is frequently used in analytical chemistry as a reagent for the detection of certain metal ions. It can form complexes, aiding in the analysis of metallomic samples.

As a chemistry student or scientist, understanding the versatility of 5-amino-7-ethoxy-naphthalene-2-sulfonic acid can lead to exciting research opportunities, particularly in the fields of dye chemistry and environmental sciences. One could say, "The journey into the world of sulfonic acids is a colorful one." This compound's multifaceted nature truly showcases the importance of organic chemistry in various applications.

Synonyms
NSC 37080
EINECS 204-240-9
Kyselina ethoxy-cleve-1,6 [Czech]
Kyselina ethoxy-cleve-1,6
BRN 3342860
C.I. 38480
Kyselina 2-ethoxy-1-naftylamin-6-sulfonova [Czech]
Kyselina 1-amino-2-ethoxynaftalen-6-sulfonova [Czech]
Kyselina 2-ethoxy-1-naftylamin-6-sulfonova
Kyselina 1-amino-2-ethoxynaftalen-6-sulfonova
3-14-00-02295 (Beilstein Handbook Reference)
DTXCID201022849