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6-Aminonaphthalene-1,3-disulfonic acid

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Identification
Molecular formula
C10H9NO6S2
CAS number
91-30-5
IUPAC name
6-aminonaphthalene-1,3-disulfonic acid
State
State

6-Aminonaphthalene-1,3-disulfonic acid is in a solid state at room temperature.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
305.31g/mol
Molar mass
305.3120g/mol
Density
2.1620g/cm3
Appearence

6-Aminonaphthalene-1,3-disulfonic acid appears as a crystalline solid. Its color can vary depending on the purity, but it is generally expected to be white to slightly off-white. The compound is usually dry and is not hygroscopic under standard conditions.

Comment on solubility

Solubility of 6-Aminonaphthalene-1,3-disulfonic Acid

6-Aminonaphthalene-1,3-disulfonic acid, a sulfonic acid derivative, exhibits notable solubility characteristics that are important for its applications in various fields.

Solubility in Water

This compound is generally highly soluble in water due to the presence of multiple sulfonic acid groups. These groups are:

  • Two sulfonic acid groups (-SO₃H) contribute to hydrophilicity.
  • An amino group (-NH₂) enhances solubility by forming hydrogen bonds with water molecules.

Factors Influencing Solubility

The solubility can be affected by several factors:

  • pH of the solution: The compound may behave as a zwitterion, which can enhance solubility in both acidic and basic environments.
  • Temperature: Typically, increasing temperature can lead to greater solubility for many compounds, including 6-aminonaphthalene-1,3-disulfonic acid.

Solvent Interaction

While water is a primary solvent, the compound may show varying solubility in organic solvents, which is generally lower. The amphoteric nature of 6-aminonaphthalene-1,3-disulfonic acid can create unique interactions, as it may partially dissolve in polar organic solvents but remain largely insoluble in non-polar solvents.

In summary, 6-aminonaphthalene-1,3-disulfonic acid is characterized by its significant water solubility, influenced by its functional groups and environmental conditions, making it a versatile compound for various chemical processes.

Interesting facts

Interesting Facts about 6-Aminonaphthalene-1,3-disulfonic Acid

6-Aminonaphthalene-1,3-disulfonic acid is a fascinating compound in both organic chemistry and industrial applications. Here are some key insights about this compound:

Background and Structure

This compound belongs to the class of sulfonic acids and is a derivative of naphthalene, structured with two sulfonic acid groups and an amino group. Its molecular structure is significant because:

  • The presence of multiple functional groups gives it versatile properties.
  • It is often utilized in the synthesis of various dyes and pigments due to its chromophoric properties.

Applications

6-Aminonaphthalene-1,3-disulfonic acid has crucial industrial applications, notably in:

  • The production of reactive dyes, which are utilized in textile industries.
  • As an intermediate in the synthesis of various chemical compounds, enhancing efficiency in chemical manufacturing.

Research Significance

This compound is particularly interesting for researchers as it serves as a model for studying:

  • Electrochemical behavior and properties of sulfonated aromatic compounds.
  • Interactions of sulfonic acids with different substrates, aiding in the development of new materials.

Safety and Handling

It’s important to note that like many industrial compounds, safety is paramount. Proper handling is crucial because:

  • Personal protective equipment (PPE) should be worn to avoid exposure.
  • It is essential to follow material safety data sheets (MSDS) for guidelines on handling and storage.

In conclusion, 6-Aminonaphthalene-1,3-disulfonic acid is not only a valuable compound in the chemical industry but also a key player in scientific research, highlighting the importance of understanding its properties and applications.

Synonyms
118-33-2
6-aminonaphthalene-1,3-disulfonic acid
2-Aminonaphthalene-5,7-disulfonic acid
2-NAPHTHYLAMINE-5,7-DISULFONIC ACID
1,3-Naphthalenedisulfonic acid, 6-amino-
6-Amino-1,3-naphthalenedisulfonic acid
Kyselina amino-I
Amino-I acid
Amino-J acid
Amino-J-acid
6-Aminonaphthalene-1,3-disulphonic acid
VP7LWM9S94
2-Naftylamin-5,7-disulfonan sodny
NSC-4157
DTXSID8059471
4-14-00-02811 (Beilstein Handbook Reference)
6-AMINO-3-SULFONAPHTHALENE-1-SULFONIC ACID
2-Naphthylamine, 5,7-disulfo-
NSC 4157
EINECS 204-246-1
beta-Naphthylamine-5,7-disulfonic acid
BRN 2157980
6-Amino-1,3-naphthalene disulfonic acid
2-Naftylamin-5,7-disulfonan sodny [Czech]
Naphthalene-1,3-disulfonic acid, 6-amino-
Amino J Acid
MFCD00021513
1, 6-amino-
Naphthalene-1, 6-amino-
UNII-VP7LWM9S94
2-Naphthylamine,7-disulfo-
SCHEMBL156430
DTXCID8033431
NSC4157
6-aminonaphthalene-1,3-disulfonicacid
AKOS015897475
FA41567
2-Amino-5,7-naphthalenedisulfonic acid
WLN: L66J BSWQ DSWQ HZ &-NA-
.beta.-Naphthylamine-5,7-disulfonic acid
AC-13313
AS-17281
DB-028870
CS-0367308
NS00023809
F20492