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4-Aminonaphthalene-1-sulfonic acid

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Identification
Molecular formula
C10H9NO3S
CAS number
84-86-6
IUPAC name
4-aminonaphthalene-1-sulfonic acid
State
State

At room temperature, 4-Aminonaphthalene-1-sulfonic acid is typically found in a solid state.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
150.00
Boiling point (Kelvin)
423.00
General information
Molecular weight
223.26g/mol
Molar mass
223.2610g/mol
Density
1.5100g/cm3
Appearence

4-Aminonaphthalene-1-sulfonic acid appears as a white to light brown crystalline solid or powder. It can sometimes appear as pale to dark brown depending on purity and processing methods.

Comment on solubility

Solubility of 4-aminonaphthalene-1-sulfonic acid

4-aminonaphthalene-1-sulfonic acid, with the chemical formula C10H9NO3S, exhibits interesting solubility characteristics that are important in various chemical applications.

Solubility Characteristics:

  • Water Solubility: This compound is generally considered soluble in water due to the presence of the sulfonic acid group, which enhances its interaction with water molecules.
  • Solvent Dependency: While it is soluble in water, its solubility may vary in organic solvents. It is typically less soluble in non-polar solvents due to its polar functional groups.
  • pH Influence: The solubility can be significantly affected by pH levels. In acidic conditions, it may remain in a protonated state, which can further influence its solubility profile.
  • Temperature Effects: Like many organic compounds, increased temperature can lead to enhanced solubility, making it more favorable in heat-processed applications.

Overall, understanding the solubility of 4-aminonaphthalene-1-sulfonic acid is crucial for its use in various fields such as dye chemistry and analytical chemistry where aqueous solutions are frequently utilized. As highlighted, the conditions under which solubility is measured can lead to varying outcomes, emphasizing the importance of context when handling this compound.

Interesting facts

Interesting Facts about 4-Aminonaphthalene-1-sulfonic Acid

4-Aminonaphthalene-1-sulfonic acid is a fascinating compound with multiple applications and significant relevance in various fields. Here are some engaging insights into this compound:

  • Industrial Relevance: This compound is primarily utilized in the dye industry. It serves as an important intermediate for the synthesis of azo dyes, which are widely used in textiles, inks, and paints.
  • Biological Activity: 4-Aminonaphthalene-1-sulfonic acid exhibits interesting biochemical properties. It is known to interact with specific enzymes and might play a role in various biological processes.
  • Environmental Considerations: Being a sulfonic acid derivative, it has been studied for its environmental impact. Understanding its behavior and degradation under different conditions is crucial for minimizing pollution.
  • Analytical Chemistry: This compound is often used as a reagent in analytical chemistry, particularly in spectrophotometric methods. Its absorbance properties allow for quantitative analysis of various substances.
  • Safety Precautions: While working with 4-aminonaphthalene-1-sulfonic acid, proper safety measures should be observed. It is important to handle this compound in a well-ventilated area and with appropriate personal protective equipment (PPE).

In summary, 4-aminonaphthalene-1-sulfonic acid is more than just a chemical compound; it represents a bridge between chemistry and various applications, from industrial processes to analytical techniques. As the world continues to innovate and explore new avenues, the significance of such compounds cannot be overstated.

Synonyms
Naphthionic acid
84-86-6
4-Aminonaphthalene-1-sulfonic acid
4-AMINO-1-NAPHTHALENESULFONIC ACID
Piria's acid
1-Naphthylamine-4-sulfonic acid
Naphthionsaeure
1,4-Naphthionic acid
1-Amino-4-sulfonaphthalene
Sulfonaphtin
1-Aminonaphthalene-4-sulfonic acid
USAF M-5
1-Naphthalenesulfonic acid, 4-amino-
Kyselina nafthionova
Piria-Saeure
alpha-Naphthylamine-p-sulfonic acid
alpha-Naphthylamine-4-sulfonic acid
NSC 4155
Kyselina nafthionova [Czech]
4-amino-1-naphthalene sulfonic acid
1-Naphthylamin-4-sulfonsaeure
4-Amino-1-naphthalinsulfonsaeure
Kyselina 1-naftylamin-4-sulfonova
1-Amino-4-naphthalenesulfonic acid
UNII-8ZIK65C5CD
4-amino-1-naphthalenesulphonic acid
EINECS 201-567-9
8ZIK65C5CD
.alpha.-Naphthylamine-4-sulfonic acid
4-Aminonaphthalin-1-sulfonsaeure
CHEBI:38219
AI3-52278
Kyselina 1-naftylamin-4-sulfonova [Czech]
NSC-4155
.alpha.-Naphthylamine-p-sulfonic acid
1-Napthylamine-4-sulfonic acid
DTXSID3058909
90459-10-2
1-NAPHTHYLAMINE-4-SULFONIC ACID [MI]
4-Amino-1-naphthalenesulfonicAcid
123333-48-2
4-Aminonaphthalene-1-sulphonic acid
MFCD00004027
naphthionsaure
4-aminonaphthalenesulfonic acid
WLN: L66J BZ ESWQ
SCHEMBL150853
CHEMBL444041
DTXCID1048384
NSC4155
4-Amino-1-napthalenesulphonic acid
1-amino-4-naphthalenesulphonic acid
AAA08486
1-Aminonaphthalene-4-sulphonic acid
4-amino-naphthalene-1-sulfonic acid
BBL034636
STK094218
1-Naphthylamin-4-sulfonsA currencyure
AKOS000119622
AC-10940
VS-12626
4-Amino-1-naphthalenesulfonic acid, 97%
A0344
CS-0046234
NS00004296
EN300-19723
D87585
Q6964882
1-Naphthylamine-4-sulfonic acid 4-Amino-1-naphthalenesulfonic acid
1-Naphthylamine-4-sulfonic acid;4-amino-1-naphthalenesulfonic acid
1-Naphthalenesulfonic acid,4-amino-,diazotized,coupled with diazotized aniline and resorcinol
201-567-9