Skip to main content

5-Aminonaphthalene-2-sulfonic acid

ADVERTISEMENT
Identification
Molecular formula
C10H9NO3S
CAS number
117-62-4
IUPAC name
5-aminonaphthalene-2-sulfonic acid
State
State

At room temperature, it remains in a solid state, typically as a beige or yellowish crystalline powder.

Melting point (Celsius)
301.00
Melting point (Kelvin)
574.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
223.25g/mol
Molar mass
223.2500g/mol
Density
1.5878g/cm3
Appearence

5-Aminonaphthalene-2-sulfonic acid appears as a crystalline solid. It is often a yellowish to beige powder that is stable under normal temperatures and pressures.

Comment on solubility

Solubility of 5-Aminonaphthalene-2-sulfonic Acid

5-Aminonaphthalene-2-sulfonic acid is known for its interesting solubility properties, which can be influenced by several factors. Below are some key points regarding its solubility:

  • Water Solubility: This compound is quite soluble in water, making it useful in various applications where aqueous solutions are required.
  • Influence of pH: The solubility of 5-aminonaphthalene-2-sulfonic acid can vary with pH levels. It is more soluble in alkaline solutions due to the presence of a sulfonic acid group that can dissociate.
  • Solvent Compatibility: In addition to water, this compound shows varying degrees of solubility in organic solvents, depending on their polarity. Non-polar solvents may not dissolve it effectively.
  • Temperature Dependence: Generally, an increase in temperature can enhance solubility for many compounds. Thus, higher temperatures can improve the solubility of 5-aminonaphthalene-2-sulfonic acid in water.

It's important to note that solubility plays a crucial role in the biochemical behavior and applications of this compound. As one might say, “The more soluble a compound is, the more options it opens for its use in research and industry.”

Interesting facts

Interesting Facts about 5-Aminonaphthalene-2-sulfonic Acid

5-Aminonaphthalene-2-sulfonic acid, also known for its role in various chemical applications, is an intriguing compound with several noteworthy characteristics:

  • Industrial Applications: This compound is primarily utilized in the dye industry, particularly in the manufacture of azo dyes, a class renowned for their vivid colors.
  • Analytical Chemistry: It is often used as a reagent in analytical chemistry, playing a key role in reactions that help identify other substances.
  • Biological Significance: Its derivatives have been studied for potential biological activities, making it a compound of interest in pharmaceutical research.
  • Environmentally Friendly: As a sulfonic acid, its properties can help reduce the environmental impact of dyes compared to other alternatives.

One of the compelling features of 5-aminonaphthalene-2-sulfonic acid is its ability to form stable complexes with various metal ions, which can be exploited in a variety of analytical techniques. Scientists often emphasize how such compounds can act as catalysts or indicators in certain reactions, marking their significance in both academic and practical applications.

As a testament to its versatility, 5-aminonaphthalene-2-sulfonic acid has sparked numerous studies, with researchers eager to discover more about its structural properties and potential uses. Its unique combination of aromaticity and functional groups allows for a wide range of chemical reactivity, making it a valuable compound in synthetic chemistry.

In conclusion, 5-aminonaphthalene-2-sulfonic acid is more than just a simple organic compound; it is a multifaceted ingredient in industrial processes, an analytical tool, and a subject of biochemistry research. Its diverse applications highlight the importance of understanding chemical compounds in the broader context of science and industry.

Synonyms
119-79-9
5-Amino-2-naphthalenesulfonic acid
5-aminonaphthalene-2-sulfonic acid
1,6-Cleve's acid
1-Aminonaphthalene-6-sulfonic acid
2-Naphthalenesulfonic acid, 5-amino-
1-NAPHTHYLAMINE-6-SULFONIC ACID
5-Naphthylamine-2-sulfonic acid
Cleve's beta-acid
Kyselina cleve
5-Aminonaphthalene-2-sulphonic acid
Cleve's acid-1,6
1-Amino-6-sulfonaphthalene
1-Amino-6-naphthalenesulfonic acid
Kyselina cleve [Czech]
51548-48-2
Cleve's .beta.-acid
Kyselina 1-naftylamin-6-sulfonova
NSC 31506
EINECS 204-351-2
BRN 1819887
CHEBI:44188
5-AMINO-NAPHTALENE-2-MONOSULFONATE
Kyselina 1-naftylamin-6-sulfonova [Czech]
59G56TB11B
6-sulfo-1-naphthylamine
alpha-Naphthylamine-6-sulfonic acid
NSC-4984
EINECS 257-269-4
NSC-31506
(5Or8)-aminonaphthalene-2-sulphonic acid
MLS002637784
DTXSID6059497
EC 204-351-2
1,6-CLEVE'S ACID [MI]
4-14-00-02804 (Beilstein Handbook Reference)
5-Amino-2-naphthalenesulfonic Acid, ~90%
WLN: L66J BZ HSWQ
5-ammonio-2-naphthalenesulfonate
Clevesaure
UNII-59G56TB11B
1-Naphthylamine-6-Sulfonic Acid; Cleve's beta-Acid; 6-Sulfo-1-naphthylamine; NSC 31506; NSC 4984
MFCD00004030
CLEVE ?-ACID
1-amino-6-sulphonaphtalene
SCHEMBL157169
CHEMBL1234578
DTXCID4033475
NSC4984
HMS3078E15
NSC31506
1-Aminonaphthalene-6-sulphonic acid
5-amino-2-naphthalene-sulfonic acid
1-Amino-naphthalene-6-sulphonic acid
.alpha.-Naphthylamine-6-sulfonic acid
AKOS015897377
DB08238
AC-20130
AS-17226
PD004615
SMR001547301
DB-041499
5-Amino-2-naphthalenesulfonic acid, >=95%
A0346
CS-0128925
NS00004034
EN300-260987
F19569
AE-562/42234612
Q27097461
Z1509721030
257-269-4
N2M