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Protocatechuic acid

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Identification
Molecular formula
C7H6O4
CAS number
99-50-3
IUPAC name
5,6-dihydroxycyclohexa-1,3-diene-1-carboxylic acid
State
State

At room temperature, protocatechuic acid is a solid.

Melting point (Celsius)
200.00
Melting point (Kelvin)
473.15
Boiling point (Celsius)
360.00
Boiling point (Kelvin)
633.15
General information
Molecular weight
154.12g/mol
Molar mass
154.1210g/mol
Density
1.5244g/cm3
Appearence

Protocatechuic acid is a crystalline solid which is white to light tan in color. It often appears as fine crystalline powder.

Comment on solubility

Solubility of 5,6-Dihydroxycyclohexa-1,3-diene-1-carboxylic Acid

The compound 5,6-dihydroxycyclohexa-1,3-diene-1-carboxylic acid (C7H6O4) exhibits interesting solubility properties due to its unique structure and functional groups. Here are some key points to consider:

  • Polar Functional Groups: The presence of hydroxyl (-OH) and carboxylic acid (-COOH) groups contributes to its polar character.
  • Water Solubility: Generally, compounds with multiple hydroxyl and carboxylic acid groups show good solubility in water due to hydrogen bonding.
  • Solvent Versatility: This compound may also be soluble in a variety of organic solvents, depending on the solvent polarity.
  • pH Dependence: The solubility can be influenced by the pH of the solution, as the carboxylic acid can donate a proton, increasing solubility in basic conditions.

Overall, the solubility of 5,6-dihydroxycyclohexa-1,3-diene-1-carboxylic acid is notably enhanced in polar solvents, making it a versatile compound for various applications.

Interesting facts

Interesting Facts about 5,6-Dihydroxycyclohexa-1,3-diene-1-carboxylic Acid

5,6-Dihydroxycyclohexa-1,3-diene-1-carboxylic acid, often recognized for its intriguing structure, is a compound that captivates both chemists and students alike. Here are some fascinating insights into this compound:

  • Natural Occurrence: This compound is found in various plant species, where it plays a role in the metabolism of certain phenolic compounds.
  • Biological Significance: Due to its hydroxyl groups, the compound possesses the potential to participate in various biochemical reactions, hinting at relevance in medicinal chemistry.
  • Analytical Interest: 5,6-Dihydroxycyclohexa-1,3-diene-1-carboxylic acid serves as an important intermediate in organic synthesis, making it a subject of study for synthetic chemists striving to create complex organic molecules.
  • Reactivity: The presence of both carboxylic acid and hydroxyl groups in its structure allows this compound to engage in both acid-base reactions and nucleophilic substitutions, showcasing its versatility as a chemical reagent.
  • Spectroscopic Properties: Its unique structure permits it to be analyzed via various spectroscopic techniques. For instance, nuclear magnetic resonance (NMR) spectroscopy can reveal information about its molecular environment.
  • Educational Value: This compound is often included in curricula to illustrate concepts such as functional groups, reaction mechanisms, and stereochemistry, making it an excellent teaching material for chemistry students.

As succinctly put, "The beauty of chemistry lies in the complexity and connectivity of its compounds." 5,6-Dihydroxycyclohexa-1,3-diene-1-carboxylic acid exemplifies this ideal, serving as a bridge between fundamental chemical principles and practical applications.


Synonyms
5,6-dihydroxycyclohexa-1,3-diene-1-carboxylic acid
100459-00-5
2,3-dihydroxy-2,3-dihydrobenzoic acid
2,3-dihydro-2,3-dihydroxybenzoic acid
SCHEMBL638361
CHEBI:15941
DTXSID30274252
2,4-Cyclohexadiene-1-carboxylicacid,1,6-dihydroxy-,(1R,6S)-rel
Q27098309