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6-Aminonaphthalene-2-sulfonic acid

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Identification
Molecular formula
C10H9NO3S
CAS number
84-21-9
IUPAC name
6-aminonaphthalene-2-sulfonic acid
State
State

At room temperature, 6-aminonaphthalene-2-sulfonic acid is found in a solid state, specifically as a crystalline powder. It is stable under normal conditions, but should be handled with care to avoid exposure to moisture, which may affect its stability and efficacy in applications.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
828.00
Boiling point (Kelvin)
1 101.15
General information
Molecular weight
223.27g/mol
Molar mass
223.2670g/mol
Density
1.5000g/cm3
Appearence

6-Aminonaphthalene-2-sulfonic acid typically appears as a light yellow to beige crystalline powder. Due to its crystalline nature, the compound may reflect light, giving a slight sheen depending on the purity and form of the crystals.

Comment on solubility

Solubility of 6-aminonaphthalene-2-sulfonic acid

6-aminonaphthalene-2-sulfonic acid, with the formula C10H9NO3S, is a compound that demonstrates significant solubility characteristics. Its solubility is primarily influenced by the following factors:

  • Polarity: The presence of the sulfonic acid group (-SO3H) contributes to the polarity of the molecule, enhancing its ability to dissolve in polar solvents such as water.
  • Hydrogen Bonding: The -NH2 group also allows for hydrogen bonding with water molecules, further promoting solubility.
  • Temperature: Like many organic acids, solubility in water typically increases with temperature, making it more soluble at elevated temperatures.
  • pH Levels: The solubility can vary with changes in pH due to the ionization of the acidic group, which can lead to better solubility in alkaline conditions.

In summary, 6-aminonaphthalene-2-sulfonic acid is readily soluble in water, making it useful in various applications where aqueous solutions are required. It’s important to note that solubility is affected by multiple factors, including temperature and pH, which should always be considered during experimental setups involving this compound.

Interesting facts

Interesting Facts about 6-Aminonaphthalene-2-sulfonic Acid

6-Aminonaphthalene-2-sulfonic acid, often abbreviated as ANSA, is a fascinating compound in the world of organic chemistry with a variety of applications. Here are some compelling aspects of this compound:

  • Structural Significance: The presence of both an amino group and a sulfonic acid group on its naphthalene backbone provides unique chemical properties that make it a valuable building block in organic synthesis.
  • Application in Dyes: This compound is widely used as an intermediate in the synthesis of various azo dyes, which are crucial for coloring textiles, food products, and even cosmetics.
  • Biochemical Applications: 6-Aminonaphthalene-2-sulfonic acid has been studied for its role in biochemical assays, particularly when examining the interactions of small molecules with proteins.
  • Environmental Chemistry: Researchers explore its properties to understand its behavior and stability in different environmental conditions, assessing its potential impacts on ecosystems.
  • Research Tool: Due to its fluorescent properties, ANSA can serve as a tracer in various biochemical experiments, aiding scientists in tracking biochemical pathways.

As a compound, 6-aminonaphthalene-2-sulfonic acid exemplifies the intersection of organic synthesis and practical applications. Its multifaceted nature showcases how seemingly simple compounds can have broad implications in scientific research and industry. As stated by leading chemists, “The beauty of chemistry lies not only in its complexities but also in its ability to create meaningful connections through compounds like ANSA.”


In summary, the exploration of 6-aminonaphthalene-2-sulfonic acid unveils a world of possibilities, reflecting the dynamic nature of chemical compounds and their roles in advancing both scientific knowledge and practical applications.

Synonyms
6-Aminonaphthalene-2-sulfonic acid
93-00-5
6-AMINO-2-NAPHTHALENESULFONIC ACID
Broenner's acid
Bronner's acid
Bronner acid
2-Naphthylamine-6-sulfonic acid
6-Aminonaphthalene-2-sulphonic acid
2-Amino-6-sulfonaphthalene
2-Amino-6-naphthylsulfonic acid
6-Amino-2-naphthalenesulfonicacid
1,6-Clev's acid
Pontamine Fast Scarlet 4BA
6-Naphthylamine-2-sulphonic acid
2-Amino-6-naphthalenesulfonic acid
Broenner-Saeure
Phenamine Fast Scarlet 4BGP
2-Aminonaphthalene 6-sulfonate
2-Naphthalenesulfonic acid, 6-amino-
6-Naphthylamine-2-sulfonic acid
2-Aminonaphthalene-6-sulfonate
NSC 31511
8K80BTS68A
DTXSID4044743
CHEBI:20700
2-Aminonaphthalene-6-sulfonic acid
NSC-4985
EINECS 202-208-9
NSC-31511
52365-47-6
6-SULFO-2-NAPHTHYLAMINE
DTXCID2024743
UNII-8K80BTS68A
EINECS 257-879-0
MFCD00035736
(6Or7)-aminonaphthalene-2-sulphonic acid
6-ANS
SCHEMBL158630
CHEMBL3187325
NSC4985
6-Amino-2-napthalenesulfonic acid
6-amino-2-naphthalenesulphonic acid
NSC31511
2-amino-naphthalene-6-sulfonic acid
2-Aminonaphthalene-6-sulphonic acid
Tox21_301505
6-Amino-2-naphthalene sulfonic acid
6-amino-2-naphthalene-sulphonic acid
AKOS015894377
CS-W013092
CAS-93-00-5
NCGC00256114-01
AC-10133
AS-10357
DB-057356
A0348
NS00022882
2-Naphthylamine-6-sulfonic acid Bronner`s acid
H11304
EN300-1666592
Q15726102