Skip to main content

2-Aminonaphthalene-1-sulfonic acid

ADVERTISEMENT
Identification
Molecular formula
C10H9NO3S
CAS number
86-65-7
IUPAC name
2-aminonaphthalene-1-sulfonic acid
State
State
At room temperature, 2-aminonaphthalene-1-sulfonic acid is in a solid state.
Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
223.26g/mol
Molar mass
223.2600g/mol
Density
1.6010g/cm3
Appearence

2-Aminonaphthalene-1-sulfonic acid typically appears as a white to off-white crystalline powder.

Comment on solubility

Solubility of 2-aminonaphthalene-1-sulfonic acid

2-aminonaphthalene-1-sulfonic acid, with the chemical formula C10H9NO3S, exhibits interesting solubility characteristics:

  • Water Solubility: This compound is generally soluble in water due to the presence of its sulfonic acid group, which enhances hydrophilicity.
  • Solvent Behavior: It is more soluble in polar solvents, making it less likely to dissolve in non-polar solvents.
  • Temperature Dependence: Solubility can increase with temperature, which is common for many organic acids.
  • pH Influence: The solubility is affected by the pH of the solution, with higher solubility observed in acidic environments where the ionic form predominates.

In summary, the solubility of 2-aminonaphthalene-1-sulfonic acid is a multifaceted aspect influenced by structural properties and environmental conditions. As a solid, it highlights the significance of functional groups in determining the behavior of compounds in various solvents. It is a notable example of how ionic interactions can facilitate dissolution in polar media.

Interesting facts

Interesting Facts about 2-Aminonaphthalene-1-sulfonic Acid

2-Aminonaphthalene-1-sulfonic acid, often abbreviated as 2-ANSA, is a fascinating organic compound with a rich history in industrial applications and scientific research.

Key Features of 2-Aminonaphthalene-1-sulfonic Acid

  • Versatile End-Use: This compound is primarily used in the production of azo dyes, which are crucial in coloring textiles and various synthetic materials.
  • Biological Importance: It has been studied for its potential anti-cancer properties, showcasing the intersection of chemistry and biology where chemical substances can impact health.
  • Versatile Reactions: 2-ANSA is often used as a building block in the synthesis of more complex molecules, demonstrating its role as an intermediary in organic chemistry reactions.
  • Environmental Considerations: Research indicates that the degradation of azo dyes, which can be derived from 2-ANSA, is a significant concern due to their potential toxicity in aquatic environments.

Chelation Behavior

This compound exhibits interesting chelation behavior with certain metal ions, making it a subject of study in coordination chemistry. Its ability to form complexes can enhance the solubility and mobility of metal ions, providing insights into environmental chemistry.

In Summary

With its multifaceted applications in industries, biology, and as a topic of environmental study, 2-aminonaphthalene-1-sulfonic acid exemplifies the profound connections between industrial chemistry and environmental science. As noted by researchers, “the quest for sustainable practices often leads back to the very chemistry that has defined industrial growth.” This compound embodies that balance and the ongoing pursuit of knowledge in the chemical sciences.

Synonyms
81-16-3
2-aminonaphthalene-1-sulfonic acid
2-AMINO-1-NAPHTHALENESULFONIC ACID
Tobias acid
2-Naphthylamine-1-sulfonic acid
Kyselina tobiasova
1-Naphthalenesulfonic acid, 2-amino-
Kyselina 2-naftylamin-1-sulfonova
Kyselina tobiasova [Czech]
CCRIS 9048
HSDB 5239
F9QKW1FCE0
NSC 5523
2-Aminonaphthalene-1-sulphonic acid
EINECS 201-331-5
BRN 0613084
DTXSID7020922
2-Naphthylamino,1-sulfonic acid
Kyselina 2-naftylamin-1-sulfonova [Czech]
NSC-5523
DTXCID90922
4-14-00-02792 (Beilstein Handbook Reference)
2-NAPHTHYLAMINE-1-SULFONIC ACID [MI]
AMINO-1-NAPHTHALENESULFONIC ACID, 2-
2-AMINO-1-NAPHTHALENESULFONIC ACID [HSDB]
KYSELINA TOBIASOVA (CZECH)
KYSELINA 2-NAFTYLAMIN-1-SULFONOVA (CZECH)
UNII-F9QKW1FCE0
2-Aminonaphthalene-1-sulfonicacid
MFCD00003988
Naphthylaminsulfosaure
aminonaphthalenesulfonic acid
2Naphthylamine1sulfonic acid
NCIOpen2_002342
WLN: L66J BSWQ CZ
Kyselina 2naftylamin1sulfonova
SCHEMBL313224
2-Amino-naphthalenesulfonic acid
CHEMBL3182507
NSC5523
1Naphthalenesulfonic acid, 2amino
2-Aminonaphthalene-1-sulphonicacid
RKL10014
Tox21_200507
BBL034632
STL426807
2-amino-naphthalene-1-sulphonic acid
AKOS015900596
CAS-81-16-3
NCGC00248665-01
NCGC00258061-01
AC-10810
VS-12623
2-Amino-1-naphthalenesulfonic acid, 98%
A0343
NS00038109
F71314
EN300-6491456
Q11751621