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4-Cyanobenzoic Acid

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Identification
Molecular formula
C8H5NO2
CAS number
619-65-8
IUPAC name
4-cyanobenzoic acid
State
State

4-Cyanobenzoic acid is typically found in a solid state at room temperature. This is common among many small aromatic carboxylic acids, largely due to the strong intermolecular forces, such as hydrogen bonding and van der Waals interactions, present in the crystal lattice.

Melting point (Celsius)
224.00
Melting point (Kelvin)
497.15
Boiling point (Celsius)
355.00
Boiling point (Kelvin)
628.15
General information
Molecular weight
147.14g/mol
Molar mass
147.1410g/mol
Density
1.3800g/cm3
Appearence

4-Cyanobenzoic acid appears as a white crystalline solid. Its crystalline form makes it identifiable by its distinct glittery and granular texture, typical of many organic acids in solid form.

Comment on solubility

Solubility of 4-cyanobenzoic acid

4-cyanobenzoic acid, which is a derivative of benzoic acid, presents interesting solubility characteristics due to its polar functional groups. The solubility of 4-cyanobenzoic acid can be influenced by several factors:

  • Polarity: The presence of the cyano group (–CN) and the carboxylic acid group (–COOH) enhances its polarity, allowing it to interact effectively with polar solvents.
  • Solvent Type: It is generally soluble in protic solvents such as water and alcohols, but shows limited solubility in aprotic solvents like hydrocarbons.
  • pH Impact: The solubility in water increases significantly at higher pH levels due to the deprotonation of the carboxylic acid group, leading to the formation of a carboxylate ion.

In summary, the solubility behavior of 4-cyanobenzoic acid can be succinctly characterized as follows:

  1. High solubility in polar solvents (e.g., water, ethanol).
  2. Moderate solubility in non-polar solvents.
  3. Enhanced solubility at elevated pH levels due to ionization.

Understanding these solubility attributes is crucial for applications in chemical synthesis and analytical methods.

Interesting facts

Interesting Facts about 4-Cyanobenzoic Acid

4-Cyanobenzoic acid, also known as p-cyanobenzoic acid, is a fascinating compound that finds its place in various scientific applications and studies. Here are some intriguing points to consider:

  • Versatile Synthetic Building Block: This compound serves as a crucial building block in organic synthesis, particularly in the production of various pharmaceuticals and agrochemicals.
  • Role in Material Science: 4-Cyanobenzoic acid is utilized in liquid crystal technologies, contributing to the development of advanced electronic displays.
  • Biological Insights: The compound has been studied for its influence on biochemical pathways, especially in understanding anti-inflammatory properties.
  • Functional Group Chemistry: As its name suggests, the presence of both a cyanide group and a carboxylic acid group offers a unique opportunity to explore reactivity and interactions in chemical reactions.
  • Research Range: Various studies have been conducted on this compound, focusing on catalysis and molecular interactions, showcasing its importance in cutting-edge research.

As a chemist or a chemistry student, one can appreciate the multifaceted nature of 4-cyanobenzoic acid. It's more than just a name; it represents a bridge between theory and application in modern chemistry. Delving into its properties opens doors to innovative research and practical applications.

In the words of a famous chemist, "Chemistry is a battle between chaos and order," and compounds like 4-cyanobenzoic acid are at the forefront of this exciting endeavor!

Synonyms
4-CYANOBENZOIC ACID
619-65-8
p-Cyanobenzoic acid
Benzoic acid, 4-cyano-
p-Carboxybenzonitrile
Benzoic acid, p-cyano-
4-Carboxybenzonitrile
DTXSID9041659
NSC 6306
NSC-6306
EINECS 210-606-9
50Z9A3423Z
CYANOBENZOIC ACID, P-
CYANOBENZOIC ACID, 4-
DTXCID7021659
Benzoic acid, p-cyano-(8CI)
210-606-9
inchi=1/c8h5no2/c9-5-6-1-3-7(4-2-6)8(10)11/h1-4h,(h,10,11
4-Cyano-benzoic acid
MFCD00002528
Terephthalic acid mononitrile
4-cyano benzoic acid
UNII-50Z9A3423Z
p-Cyanobenzoic Acid; 4-Carboxybenzonitrile; NSC 6306; p-Carboxybenzonitrile; p-Cyanobenzoic Acid;
Terephthalic mononitrile
4-Cyanobenzoic acid (3)
4-Cyanobenzoic acid, 99%
SCHEMBL216706
CHEMBL101772
NSC6306
BDBM239164
BCP28910
STR03453
Tox21_302120
CK2166
STL164357
AKOS000119707
AC-2506
FC10902
PS-4038
NCGC00255602-01
BP-11677
CAS-619-65-8
DB-054033
NS00034868
EN300-19927
AC-907/25014365
Q27260843
F2191-0086
Z104476114
p-Cyanobenzoic acid;Benzoic acid, 4-cyano-;p-Carboxybenzonitrile