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Dioctyl maleate

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Identification
Molecular formula
C20H36O4
CAS number
142-16-5
IUPAC name
but-2-enedioic acid;dioctyltin
State
State

Dioctyl maleate is a liquid at room temperature, contributing to its utility as a plasticizer. Its liquidity allows for easy application and blending into materials.

Melting point (Celsius)
-67.00
Melting point (Kelvin)
206.15
Boiling point (Celsius)
180.00
Boiling point (Kelvin)
453.15
General information
Molecular weight
330.57g/mol
Molar mass
330.5720g/mol
Density
1.0600g/cm3
Appearence

Dioctyl maleate appears as a colorless to pale yellow liquid. It is often used as a plasticizer and has a slightly sweet odor. Its liquid form makes it easy to handle and incorporate into various products and formulations.

Comment on solubility

Solubility of But-2-enedioic Acid; Dioctyltin

Understanding the solubility of but-2-enedioic acid (also known as fumaric acid) and its compound with dioctyltin involves considering several important factors:

  • But-2-enedioic Acid: This organic compound is known for its moderate solubility in water. It tends to dissolve more readily in polar solvents due to its carboxylic acid functional groups, which can ionize to form carboxylate ions.
  • Dioctyltin: Typically, organotin compounds like dioctyltin are hydrophobic in nature. They exhibit low solubility in water but can dissolve in organic solvents such as hexane due to their long hydrocarbon chains.
  • Interaction: When mixed, the solubility of the combined compound may be influenced by the balance between the polar and non-polar characteristics, potentially creating a unique solubility profile.

In summary, the solubility of the mixture may not be straightforward, and the overall behavior can depend on the specific conditions such as temperature and solvent polarity. It is essential to evaluate the system as a whole in a laboratory setting for precise solubility insights.

Interesting facts

Interesting Facts About But-2-enedioic Acid and Dioctyltin

But-2-enedioic acid, commonly known as fumaric acid, and dioctyltin, a widely used organotin compound, both offer fascinating insights into the fields of organic chemistry and materials science.

But-2-enedioic Acid (Fumaric Acid)

  • It was first discovered in 1856 by August Wilhelm von Hofmann, and its name derives from the Latin word for "fumus," meaning smoke.
  • Fumaric acid is a key intermediate in the Krebs cycle, a crucial metabolic pathway for cellular respiration.
  • This compound is often utilized in the food industry as an acidity regulator and is recognized for its environmental compatibility since it is biodegradable.
  • Interestingly, fumaric acid can also provide health benefits, such as being used in the treatment of psoriasis through fumarate therapy.

Dioctyltin

  • Dioctyltin, often referred to as DOT, is primarily used as a heat stabilizer in the production of polyvinyl chloride (PVC) plastics.
  • It plays a significant role in enhancing thermal stability and increasing the lifespan of PVC products, making it invaluable in various industries such as construction and electrical.
  • The compound has also sparked interest in environmental chemistry due to concerns regarding its toxicity and persistence in ecosystems, raising discussions about the need for alternative stabilizers.
  • Despite these concerns, dioctyltin has demonstrated effectiveness in antifouling applications, as it prevents the growth of aquatic organisms on submerged surfaces.

In conclusion, both but-2-enedioic acid and dioctyltin encapsulate the dual nature of chemical compounds—serving vital roles in industry and biology while simultaneously posing environmental challenges. Understanding their properties and applications is key for any budding chemist!