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Potassium p-aminobenzoate

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Identification
Molecular formula
C7H6KNO2
CAS number
366-71-6
IUPAC name
potassium;4-aminobenzoate
State
State
Solid at room temperature, typically in the form of a crystalline powder.
Melting point (Celsius)
195.00
Melting point (Kelvin)
468.00
Boiling point (Celsius)
510.00
Boiling point (Kelvin)
783.00
General information
Molecular weight
219.28g/mol
Molar mass
219.2610g/mol
Density
1.3400g/cm3
Appearence

Potassium p-aminobenzoate usually appears as a white or off-white crystalline powder. It is known for its crystalline structure and may appear slightly yellow depending on purity and storage conditions.

Comment on solubility

Solubility of Potassium 4-Aminobenzoate

Potassium 4-aminobenzoate, also known as potassium para-aminobenzoate, demonstrates notable solubility characteristics that are important for its applications. Here are some key points:

  • Water Solubility: Potassium 4-aminobenzoate is highly soluble in water, which makes it a favorable compound for various chemical and pharmaceutical processes.
  • pH Dependency: The solubility can be influenced by the pH of the solution. Generally, a more alkaline environment enhances the dissolution, leading to increased solubility.
  • Temperature Effects: As with many salts, the solubility of potassium 4-aminobenzoate generally increases with temperature, making it easier to dissolve in hot water compared to cold.
  • Solvent Polarity: The compound is also soluble in polar organic solvents, which expands its utility in various organic synthesis applications.

In summary, the solubility of potassium 4-aminobenzoate is primarily characterized by its robust water solubility and sensitivity to environmental factors like pH and temperature. As emphasized, this makes it an important compound in both research and practical applications.

Interesting facts

Interesting Facts About Potassium 4-Aminobenzoate

Potassium 4-aminobenzoate, also referred to as potassium p-aminobenzoate or potassium para-aminobenzoate, is a fascinating compound with several notable aspects that intrigue both chemists and students alike.

Key Applications

  • Pharmaceutical Use: This compound is often utilized as a medication, primarily as a treatment for autoimmune conditions and certain skin disorders.
  • Food Industry: It serves as a food additive, contributing to flavor enhancement and preservation.
  • Research Purposes: Potassium 4-aminobenzoate has also found its way into various research studies, particularly in the fields of biochemistry and pharmacology.

Chemical Relevance

This compound is structurally related to p-aminobenzoic acid (PABA), a well-known precursor in the synthesis of folate, which is vital for DNA synthesis and repair. The presence of the potassium ion gives it unique solubility characteristics, which can influence its interaction with biopolymers and cellular systems.

Interesting Trivia

  • Did you know that PABA, from which potassium 4-aminobenzoate is derived, was historically used as a sunscreen ingredient due to its UV-absorbing properties?
  • The potassium salt form is often preferred for its enhanced stability and easier handling in pharmaceutical preparations.

As emphasized by renowned chemist Linus Pauling, “Chemistry is the study of matter, but I prefer to view it as the study of change.” This quote resonates well with the role of potassium 4-aminobenzoate, illustrating how compounds can undergo transformations that lead to significant biological impacts and applications.

In summary, potassium 4-aminobenzoate is a compound that not only holds chemical significance but also serves practical purposes in various sectors of industries. Studying such compounds enriches our understanding of chemistry and its real-world implications.