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Dansyl acid

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Identification
Molecular formula
C12H13NO3S
CAS number
536-54-5
IUPAC name
5-(dimethylamino)naphthalene-1-sulfonic acid
State
State

At room temperature, Dansyl acid is typically in a solid state, existing as a crystalline powder that may be utilized in various fluorescence-based applications.

Melting point (Celsius)
151.00
Melting point (Kelvin)
424.15
Boiling point (Celsius)
327.00
Boiling point (Kelvin)
600.15
General information
Molecular weight
285.34g/mol
Molar mass
285.3340g/mol
Density
1.4800g/cm3
Appearence

Dansyl acid typically appears as a pale yellow to light brown powder. It may exhibit fluorescence under ultraviolet light, which is characteristic of the dansyl group attached to the naphthalene structure.

Comment on solubility

Solubility of 5-(Dimethylamino)naphthalene-1-sulfonic acid

5-(Dimethylamino)naphthalene-1-sulfonic acid (C12H13NO3S) exhibits interesting solubility characteristics:

  • Aqueous Solubility: This compound is generally soluble in water, making it useful in various aqueous applications, especially in biological systems.
  • Solvent Compatibility: It shows good solubility in polar organic solvents, which can enhance its application in organic synthesis and biochemical assays.
  • pH Dependence: The solubility may vary with pH changes due to its acidic functional group, so it is important to consider the pH of the solution to ensure optimal solubility.
  • Temperature Influence: An increase in temperature can often lead to increased solubility, which is essential in processes requiring heat.

In summary, 5-(dimethylamino)naphthalene-1-sulfonic acid demonstrates versatile solubility in both aqueous and organic solvents, making it a valuable compound in many chemical and biological applications. Be sure to consider the surrounding conditions like pH and temperature for maximizing its solubility!

Interesting facts

5-(Dimethylamino)naphthalene-1-sulfonic Acid

5-(Dimethylamino)naphthalene-1-sulfonic acid, commonly referred to as a *naphthalene sulfonic acid derivative*, plays a crucial role in various scientific applications. Here are some intriguing aspects of this compound:

  • Fluorescence Properties: This compound is notable for its remarkable fluorescence, making it a valuable tool in chemical research and analytical applications, particularly in fluorescence spectroscopy.
  • Analytical Chemistry: It serves as a reagent in various analytical techniques, aiding in the detection and quantification of different substances due to its strong fluorescent characteristics.
  • Environmental Monitoring: As an important indicator in environmental chemistry, this compound can help in tracking pollution levels since it reacts with specific pollutants, aiding in ecological studies.
  • Versatile Chemistry: The presence of a sulfonic acid group in its structure confers strong acid properties, which can facilitate a wide array of chemical reactions, making it a versatile compound in synthetic chemistry.
  • Biorecognition: It has potential uses in biorecognition systems, where it can interact with biomolecules, providing insights into biological processes.

In conclusion, *5-(dimethylamino)naphthalene-1-sulfonic acid* serves as more than just a chemical compound. Its unique characteristics have established it as an essential component in both educational and practical chemistry applications. As one scientist aptly said, "The key to innovation often lies in the details of chemical interactions."

Synonyms
Dansyl acid
4272-77-9
5-(dimethylamino)naphthalene-1-sulfonic acid
5-(DIMETHYLAMINO)-1-NAPHTHALENESULFONIC ACID
5-Dimethylaminonaphthalene-1-sulfonic Acid
1-Naphthalenesulfonic acid, 5-(dimethylamino)-
DansylAcid-d6
5-(dimethylamino)-1-naphthalenesulfonic acid(dansyl acid)
EINECS 224-268-5
DTXSID8063383
5-(Dimethylamino)naphthalene-1-sulphonic acid
5-Dimethylamino-1-naphthalenesulfonic acid
N,N-Dimethyl-1-naphthylamine-5-sulfonic acid
MFCD00003995
Q7GT975TCW
SCHEMBL133520
DTXCID8040145
BBEQQKBWUHCIOU-UHFFFAOYSA-
BBEQQKBWUHCIOU-UHFFFAOYSA-N
STL290518
AKOS005267186
5-Dimethylamino-1-sulfonyl naphthalene
DB07376
FD20785
AS-66186
PD005845
1-dimethylaminonaphthalene-5-sulfonic acid
DB-050962
CS-0313530
D1426
NS00031228
N10048
AH-034/32472033
SR-01000310386
SR-01000310386-1
Q27096596
5-Dimethylaminonaphthalene-1-sulfonic acid;5-(Dimethylamino)-1-naphthalenesulfonic acid
224-268-5
InChI=1/C12H13NO3S/c1-13(2)11-7-3-6-10-9(11)5-4-8-12(10)17(14,15)16/h3-8H,1-2H3,(H,14,15,16)