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Citric Acid

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Identification
Molecular formula
C6H8O7
CAS number
77-92-9
IUPAC name
citric acid;8-methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaenyloxy)-8-azabicyclo[3.2.1]octane
State
State

At room temperature, citric acid is typically in a solid state, existing as colorless crystals or a white crystalline powder.

Melting point (Celsius)
153.00
Melting point (Kelvin)
426.15
Boiling point (Celsius)
310.00
Boiling point (Kelvin)
583.15
General information
Molecular weight
192.12g/mol
Molar mass
192.1240g/mol
Density
1.6650g/cm3
Appearence

Citric acid is a white crystalline powder. It is highly soluble in water and gives off a strong acidic taste. In its monohydrate form, it can appear as colorless crystals.

Comment on solubility

Solubility of Citric Acid-Related Compound

When discussing the solubility of citric acid and its complex derivatives, several factors come into play:

  • Polarity: Citric acid is a polar molecule, which typically increases its solubility in polar solvents like water.
  • Functional Groups: The presence of multiple carboxyl (–COOH) groups in citric acid contributes to its ability to form hydrogen bonds with water, enhancing its solubility.
  • Complex Structure: The compound in question includes a tricyclic system, which can affect solubility due to steric hindrance and spatial configuration.
  • Hydrophilicity vs Hydrophobicity: The balance between hydrophilic (water-attracting) and hydrophobic (water-repelling) parts of the molecule will determine overall solubility.

In conclusion, while citric acid itself is highly soluble in water, the introduction of intricate structures such as the tricyclical component may lead to variations in solubility. Factors worthy of consideration include:

  1. Presence of aqueous vs organic solvents
  2. Temperature effects on solubility
  3. pH levels affecting dissociation of acidic groups

Therefore, while citric acid showcases remarkable solubility characteristics, the solubility of the more complex derivative may require careful examination regarding its specific interactions with various solvents.

Interesting facts

Interesting Facts About Citric Acid and Its Unique Derivative

Citric acid is a fascinating compound that plays a crucial role in various scientific and biological processes. Here are some intriguing facts about citric acid and its distinctive derivative:

  • Natural Occurrence: Citric acid is not just an industrial product; it naturally occurs in citrus fruits such as lemons, limes, and oranges, contributing to their tart flavor.
  • Metabolic Importance: This acid is a key player in the citric acid cycle (Krebs cycle), a fundamental metabolic pathway that generates energy in living organisms.
  • Versatile Applications: Beyond its role in metabolism, citric acid is widely used as a natural preservative, flavor enhancer, and chelating agent in food and beverages.
  • pH Regulation: It acts as a weak acid, making it useful for adjusting the pH in various formulations, improving the stability and efficacy of products.
  • Environmentally Friendly: As a biodegradable compound, citric acid is considered an eco-friendly alternative to synthetic acids and additives.

A Closer Look at the Unique Derivative

The compound 8-methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaenyloxy)-8-azabicyclo[3.2.1]octane is an intriguing derivative featuring a complex structure that offers a range of research possibilities:

  • Structural Complexity: This compound belongs to a class of bicyclic compounds that display unique properties due to their intricate structures.
  • Potential Biological Activity: Derivatives of citric acid, such as this one, are often studied for their potential pharmacological properties and activities in medicinal chemistry.
  • Combination of Frameworks: The tricyclic entity within the structure suggests possibilities for interesting interactions with biological targets, potentially leading to novel therapeutic agents.
  • Research Opportunities: The unique characteristics of these compounds invite exploration in synthetic chemistry and materials science, paving the way for innovative applications.

In summary, citric acid and its derivatives are not only essential in biological systems, but they also excite chemists with their potential applications and roles in health and industry.

Synonyms
Brontisol
2169-75-7
Deptropine dihydrogen citrate
Brontin
Elargin
Elargyl
SU-Brontine
Brontin (Porontine)
2-hydroxypropane-1,2,3-tricarboxylic acid;8-methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaenyloxy)-8-azabicyclo[3.2.1]octane
Deptropine FNA (TN)
SCHEMBL1650059
CHQGYMXXKZPWOI-UHFFFAOYSA-N
HMS1571K07
HMS3372H06
NSC169431
B. S. 6987
D07790
WLN: L C676&T&J BO- GT56 A ANTJ A1
3-.alpha.-[(10,d]cyclohepten-5-yl)oxy]tropan dihydrogen citrate
1-.alpha.-H, 3-.alpha.-[(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)oxy]-, citrate (1:1)
1.alpha.H, 3.alpha.-[(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)oxy]-, citrate (1:1)
8-Azabicyclo[3.2.1]octane,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)oxy]-8-methyl-, endo-, 2-hydroxy-1,2,3-propanetricarboxylate (1:1)