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Sodium 2,5-dihydroxybenzoate

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Identification
Molecular formula
C7H4NaO4
CAS number
133-02-8
IUPAC name
sodium;2,5-dihydroxybenzoate
State
State

At room temperature, sodium 2,5-dihydroxybenzoate remains in a solid state. It is stable under normal temperature and pressure conditions, although care must be taken to prevent moisture absorption which could affect its physical state.

Melting point (Celsius)
240.00
Melting point (Kelvin)
513.15
Boiling point (Celsius)
555.00
Boiling point (Kelvin)
828.15
General information
Molecular weight
180.10g/mol
Molar mass
180.1040g/mol
Density
1.4500g/cm3
Appearence

Sodium 2,5-dihydroxybenzoate typically appears as a white crystalline powder. It is odorless and has a slightly bitter taste. This compound is known for its stability in solid form but may be hygroscopic, absorbing moisture from the surrounding atmosphere.

Comment on solubility

Solubility of Sodium 2,5-Dihydroxybenzoate

Sodium 2,5-dihydroxybenzoate, often referred to as a sodium salt of 2,5-dihydroxybenzoic acid, exhibits interesting solubility characteristics that are worth noting.

General Solubility Properties:

  • Water Solubility: This compound is highly soluble in water due to the presence of both hydroxyl groups and the sodium ion, which help to stabilize the solute in aqueous solutions.
  • Sol vents: Besides water, sodium 2,5-dihydroxybenzoate is also soluble in polar organic solvents, enhancing its versatility in various chemical applications.

According to solubility theory, "like dissolves like," which means the polar nature of sodium 2,5-dihydroxybenzoate allows it to interact favorably with water molecules, leading to its high solubility. Additionally, the presence of multiple hydroxyl groups increases the compound's ability to form hydrogen bonds, further supporting its dissolution.

Applications Related to Solubility:

Due to its excellent solubility profile, sodium 2,5-dihydroxybenzoate is utilized in various fields:

  • As a food preservative, taking advantage of its solubility in aqueous solutions.
  • In pharmaceutical formulations where solubility is crucial for bioavailability.

In summary, the solubility of sodium 2,5-dihydroxybenzoate enhances its functionality and effectiveness in various applications, making it an important compound in both industrial and lab settings.

Interesting facts

Interesting Facts about Sodium 2,5-Dihydroxybenzoate

Sodium 2,5-dihydroxybenzoate, often known as a derivative of salicylic acid, is a fascinating compound with a wide array of applications in various fields. Here are some intriguing facts about this compound:

  • Versatile Use: It is commonly used in the pharmaceutical industry as a preservative and stabilizer, ensuring the longevity and efficacy of medications.
  • Antioxidant Properties: Sodium 2,5-dihydroxybenzoate possesses notable antioxidant properties, making it beneficial in protecting cells from oxidative stress.
  • Food Industry: It plays a crucial role as a food preservative, particularly in products that require extended shelf life without the use of artificial additives.
  • Research Applications: Scientists utilize this compound in various biochemical experiments, especially in studies focusing on enzyme interactions and metabolic processes.
  • Safety Profile: Generally regarded as safe, sodium 2,5-dihydroxybenzoate is an appealing choice for formulators looking for effective preservative alternatives.

Additionally, the structural features of sodium 2,5-dihydroxybenzoate, such as its hydroxyl groups, contribute to its reactivity and solubility in various solvents, making it a research favorite. The combination of functionality and safety ensures that this compound remains prominent in both academic and industrial applications.

As one might say in the lab, "The right combination of chemistry and safety can yield remarkable results!"