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Phenylmercuric butyrate

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Identification
Molecular formula
C10H12HgO2
CAS number
103-27-5
IUPAC name
butyric acid;phenylmercury
State
State

At room temperature, phenylmercuric butyrate is found in a solid state, typically as a crystalline powder.

Melting point (Celsius)
141.00
Melting point (Kelvin)
414.15
Boiling point (Celsius)
350.00
Boiling point (Kelvin)
623.15
General information
Molecular weight
356.84g/mol
Molar mass
356.8430g/mol
Density
2.4400g/cm3
Appearence

Phenylmercuric butyrate is typically a solid. It usually appears as a white crystalline powder.

Comment on solubility

Solubility of Butyric Acid and Phenylmercury

Butyric acid, with the chemical formula C4H8O2, exhibits notable solubility characteristics. This short-chain fatty acid is relatively soluble in water, primarily due to its carboxylic acid functional group, which can engage in hydrogen bonding with water molecules. Specifically:

  • At room temperature, butyric acid is soluble in water at concentrations up to 10%.
  • It is also soluble in organic solvents such as ethanol and ether.

On the other hand, when we consider phenylmercury compounds, such as phenylmercury acetate (C6H5HgO2), the solubility profile shifts distinctly. These compounds typically exhibit lower water solubility due to the presence of the hydrophobic phenyl ring and the metal ion. However, several key points can be noted:

  • Phenylmercury compounds are often soluble in organic solvents but generally show limited solubility in water.
  • Solubility can vary significantly based on the substituent groups attached to the mercury.

In summary, while butyric acid is versatile in solubility across both polar and non-polar media, phenylmercury compounds demonstrate much lower solubility in polar solvents like water. Understanding these solubility differences is crucial for applications ranging from biochemical processes to environmental science.

Interesting facts

Butyric Acid

Butyric acid is a fascinating short-chain fatty acid that plays a significant role in various biological processes. One of its remarkable features is its presence in the fats and oils of animal and plant tissues, where it serves as a crucial energy source.

  • Biological Importance: Butyric acid is vital for gut health, aiding in the nourishment of colon cells and maintaining intestinal barrier function.
  • Fermentation: It is produced through the fermentation of dietary fibers by gut microbiota, which helps regulate metabolic health.
  • Flavor and Odor: The compound is recognized for its pungent smell and is often described as reminiscent of rancid butter, which is where it gets its name.
  • Food Industry: Butyric acid is utilized as a flavoring agent in the food industry, adding depth to certain cheese and butter flavors.

Interestingly, its esters are used in perfumes and the food industry due to their pleasant fragrances. Overall, butyric acid serves as an exemplary compound illustrating the intersection of chemistry and biology.

Phenylmercury

Phenylmercury compounds are a noteworthy class of organomercury compounds characterized by the presence of a phenyl group attached to mercury. These compounds have garnered attention due to their unique properties and applications in various fields.

  • Antifungal Properties: Phenylmercury compounds have effective antifungal activities and were historically used as preservatives in some agricultural products and paints.
  • Toxicity Concerns: Despite their usefulness, they raise significant safety and environmental concerns. Mercury is a potent neurotoxin, and exposure to phenylmercury can lead to severe health risks.
  • Chemical Behavior: These compounds often exhibit interesting reactivity patterns, making them valuable in organic synthesis and material science.
  • Environmental Impact: Due to their toxicity, the use of phenylmercury has been discouraged worldwide, highlighting the importance of sustainable chemical practices.

In conclusion, while phenylmercury exemplifies how certain compounds can be harnessed for beneficial purposes, it also serves as a reminder of the need for careful handling and environmental responsibility in the field of chemistry.