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Azulene-1-sulfonic acid

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Identification
Molecular formula
C15H18O3S
CAS number
.
IUPAC name
5-isopropyl-3,8-dimethyl-azulene-1-sulfonic acid
State
State

At room temperature, azulene-1-sulfonic acid exists as a solid. It has a unique blue coloration, which is quite rare for naturally occurring organic compounds, rendering it of particular interest in various scientific studies.

Melting point (Celsius)
182.00
Melting point (Kelvin)
455.15
Boiling point (Celsius)
298.00
Boiling point (Kelvin)
571.00
General information
Molecular weight
262.38g/mol
Molar mass
262.3460g/mol
Density
1.3400g/cm3
Appearence

Azulene-1-sulfonic acid typically appears as a crystalline solid. It has a deep blue color, characteristic of azulene derivatives due to its conjugated unsaturated system that allows it to absorb visible light.

Comment on solubility

Solubility of 5-isopropyl-3,8-dimethyl-azulene-1-sulfonic acid

The solubility of 5-isopropyl-3,8-dimethyl-azulene-1-sulfonic acid (C15H18O3S) is influenced by several factors, mainly due to its unique structural characteristics. Sulfonic acids generally exhibit good solubility in water, and this compound is no exception.

Key aspects of its solubility include:

  • Polar nature: The sulfonic acid group contributes significantly to its overall polarity, enabling effective interactions with water molecules.
  • Hydrophilicity: The presence of the sulfonic acid functional group makes the compound more hydrophilic, enhancing its solubility in aqueous solutions.
  • Hydrophobic elements: Despite some hydrophobic (isopropyl and methyl groups) influences presented by the hydrophobic alkyl groups, the compound's acidic nature and overall balance still lead to quite favorable solubility.

In practical terms, it is often soluble in water, allowing it to be conveniently used in various chemical applications. Additionally, it can also have varying solubility in organic solvents depending on the solvent's characteristics, which is typical for compounds with similar structures. Therefore, when dealing with 5-isopropyl-3,8-dimethyl-azulene-1-sulfonic acid, it’s essential to consider the solvent environment for expected solubility behavior.

Interesting facts

Interesting Facts about 5-Isopropyl-3,8-dimethyl-azulene-1-sulfonic Acid

5-Isopropyl-3,8-dimethyl-azulene-1-sulfonic acid is a fascinating compound that belongs to the azulene family, a class of organic compounds known for their unique structure and vibrant colors. Here are some interesting aspects of this compound:

  • Azulene Structure: Azulenes, including this compound, are characterized by their distinctive blue color, which results from a conjugated double bond system. This feature underscores the compound's potential in organic photonics.
  • Sulfonic Acid Group: The presence of a sulfonic acid group greatly enhances the solubility of the compound in water, making it valuable for various chemical applications and reactions.
  • Research Applications: Compounds with azulene structures have gained attention in research due to their unique electronic properties. These features may enable applications in organic solar cells and electronic devices.
  • Biological Interests: Sulfonic acids, including this compound, are often studied for their potential biological activities, such as antimicrobial or anti-inflammatory properties, leading to innovations in pharmaceuticals.
  • Synthetic Pathways: The synthesis of this compound can involve multiple steps, often utilizing various reagents and conditions, making it an intriguing subject for organic synthesis and mechanistic studies.

As a compound rich in unique structural features and significant research potential, 5-isopropyl-3,8-dimethyl-azulene-1-sulfonic acid exemplifies the exciting diversity within organic chemistry. Its study not only broadens our understanding of azulene derivatives but also paves the way for future developments in various applied fields.

Synonyms
Gualenic acid
16915-32-5
UNII-GR01836V0K
3,8-dimethyl-5-propan-2-ylazulene-1-sulfonic acid
GR01836V0K
1-Azulenesulfonic acid, 3,8-dimethyl-5-(1-methylethyl)-
5-Isopropyl-3,8-dimethylazulene-1-sulfonic acid
GUALENIC ACID [WHO-DD]
DTXSID10168665
sodium-gualenate
1,4-dimethyl-7-isopropylazulene-3-sulfonic acid
SCHEMBL2734180
CHEMBL1852533
DTXCID4091156
CHEBI:135153
EN300-25302803
3,8-dimethyl-5-(propan-2-yl)azulene-1-sulfonic acid
BRD-K80043866-236-01-1
Q27279235